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Finding the Third Proportional to 1,978,355,909 and 3,060,502,991

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Solution

The third proportional to 1,978,355,909 and 3,060,502,991 is: 4,734,577,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,355,909 : 3,060,502,991 = 3,060,502,991 : x
  2. Step 2: Convert to fraction form
    1,978,355,909/3,060,502,991 = 3,060,502,991/x
  3. Step 3: Cross multiply
    1,978,355,909x = 3,060,502,991 × 3,060,502,991
  4. Step 4: Simplify right side
    1,978,355,909x = 9,366,678,557,919,946,752
  5. Step 5: Solve for x
    x = 9,366,678,557,919,946,752/1,978,355,909
  6. Step 6: Final answer
    x = 4,734,577,087.63

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