Finding the Third Proportional to 54,155,634 and 85,822,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,155,634 : 85,822,648.50 = 85,822,648.50 : x
2. Step 2: Convert to fraction form
   54,155,634/85,822,648.50 = 85,822,648.50/x
3. Step 3: Cross multiply
   54,155,634x = 85,822,648.50 × 85,822,648.50
4. Step 4: Simplify right side
   54,155,634x = 7,365,526,995,554,552
5. Step 5: Solve for x
   x = 7,365,526,995,554,552/54,155,634
6. Step 6: Final answer
   x = 136,006,661.75