Finding the Third Proportional to 54,508,750 and 83,783,705

Step by Step Solution

1. Step 1: Write the proportion equation
   54,508,750 : 83,783,705 = 83,783,705 : x
2. Step 2: Convert to fraction form
   54,508,750/83,783,705 = 83,783,705/x
3. Step 3: Cross multiply
   54,508,750x = 83,783,705 × 83,783,705
4. Step 4: Simplify right side
   54,508,750x = 7,019,709,223,527,025
5. Step 5: Solve for x
   x = 7,019,709,223,527,025/54,508,750
6. Step 6: Final answer
   x = 128,781,328.20