Finding the Third Proportional to 49,649,493 and 77,072,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,649,493 : 77,072,422.50 = 77,072,422.50 : x
2. Step 2: Convert to fraction form
   49,649,493/77,072,422.50 = 77,072,422.50/x
3. Step 3: Cross multiply
   49,649,493x = 77,072,422.50 × 77,072,422.50
4. Step 4: Simplify right side
   49,649,493x = 5,940,158,310,018,506
5. Step 5: Solve for x
   x = 5,940,158,310,018,506/49,649,493
6. Step 6: Final answer
   x = 119,641,872.48