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Finding the Third Proportional to 900,686.25 and 1,978,518.75

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Solution

The third proportional to 900,686.25 and 1,978,518.75 is: 4,346,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,686.25 : 1,978,518.75 = 1,978,518.75 : x
  2. Step 2: Convert to fraction form
    900,686.25/1,978,518.75 = 1,978,518.75/x
  3. Step 3: Cross multiply
    900,686.25x = 1,978,518.75 × 1,978,518.75
  4. Step 4: Simplify right side
    900,686.25x = 3,914,536,444,101.56
  5. Step 5: Solve for x
    x = 3,914,536,444,101.56/900,686.25
  6. Step 6: Final answer
    x = 4,346,170.98

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