Finding the Third Proportional to 49,649,490 and 77,072,418

Step by Step Solution

1. Step 1: Write the proportion equation
   49,649,490 : 77,072,418 = 77,072,418 : x
2. Step 2: Convert to fraction form
   49,649,490/77,072,418 = 77,072,418/x
3. Step 3: Cross multiply
   49,649,490x = 77,072,418 × 77,072,418
4. Step 4: Simplify right side
   49,649,490x = 5,940,157,616,366,724
5. Step 5: Solve for x
   x = 5,940,157,616,366,724/49,649,490
6. Step 6: Final answer
   x = 119,641,865.73