Finding the Third Proportional to 54,508,747 and 83,783,700

Step by Step Solution

1. Step 1: Write the proportion equation
   54,508,747 : 83,783,700 = 83,783,700 : x
2. Step 2: Convert to fraction form
   54,508,747/83,783,700 = 83,783,700/x
3. Step 3: Cross multiply
   54,508,747x = 83,783,700 × 83,783,700
4. Step 4: Simplify right side
   54,508,747x = 7,019,708,385,690,000
5. Step 5: Solve for x
   x = 7,019,708,385,690,000/54,508,747
6. Step 6: Final answer
   x = 128,781,319.92