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Finding the Third Proportional to 7,710,962 and 11,978,256

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Solution

The third proportional to 7,710,962 and 11,978,256 is: 18,607,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710,962 : 11,978,256 = 11,978,256 : x
  2. Step 2: Convert to fraction form
    7,710,962/11,978,256 = 11,978,256/x
  3. Step 3: Cross multiply
    7,710,962x = 11,978,256 × 11,978,256
  4. Step 4: Simplify right side
    7,710,962x = 143,478,616,801,536
  5. Step 5: Solve for x
    x = 143,478,616,801,536/7,710,962
  6. Step 6: Final answer
    x = 18,607,096.86

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