Finding the Third Proportional to 31,342,610 and 65,857,828

Step by Step Solution

1. Step 1: Write the proportion equation
   31,342,610 : 65,857,828 = 65,857,828 : x
2. Step 2: Convert to fraction form
   31,342,610/65,857,828 = 65,857,828/x
3. Step 3: Cross multiply
   31,342,610x = 65,857,828 × 65,857,828
4. Step 4: Simplify right side
   31,342,610x = 4,337,253,508,877,584
5. Step 5: Solve for x
   x = 4,337,253,508,877,584/31,342,610
6. Step 6: Final answer
   x = 138,382,014.42