Finding the Third Proportional to 72,677,908 and 111,711,143

Step by Step Solution

1. Step 1: Write the proportion equation
   72,677,908 : 111,711,143 = 111,711,143 : x
2. Step 2: Convert to fraction form
   72,677,908/111,711,143 = 111,711,143/x
3. Step 3: Cross multiply
   72,677,908x = 111,711,143 × 111,711,143
4. Step 4: Simplify right side
   72,677,908x = 12,479,379,470,366,448
5. Step 5: Solve for x
   x = 12,479,379,470,366,448/72,677,908
6. Step 6: Final answer
   x = 171,708,017.11