Finding the Third Proportional to 61,732,718 and 131,664,256

Step by Step Solution

1. Step 1: Write the proportion equation
   61,732,718 : 131,664,256 = 131,664,256 : x
2. Step 2: Convert to fraction form
   61,732,718/131,664,256 = 131,664,256/x
3. Step 3: Cross multiply
   61,732,718x = 131,664,256 × 131,664,256
4. Step 4: Simplify right side
   61,732,718x = 17,335,476,308,033,536
5. Step 5: Solve for x
   x = 17,335,476,308,033,536/61,732,718
6. Step 6: Final answer
   x = 280,815,050.26