Finding the Third Proportional to 48,451,980 and 72,713,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,451,980 : 72,713,406.50 = 72,713,406.50 : x
2. Step 2: Convert to fraction form
   48,451,980/72,713,406.50 = 72,713,406.50/x
3. Step 3: Cross multiply
   48,451,980x = 72,713,406.50 × 72,713,406.50
4. Step 4: Simplify right side
   48,451,980x = 5,287,239,484,834,242
5. Step 5: Solve for x
   x = 5,287,239,484,834,242/48,451,980
6. Step 6: Final answer
   x = 109,123,290.42