Finding the Third Proportional to 51,164,581.50 and 78,723,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,164,581.50 : 78,723,002.25 = 78,723,002.25 : x
2. Step 2: Convert to fraction form
   51,164,581.50/78,723,002.25 = 78,723,002.25/x
3. Step 3: Cross multiply
   51,164,581.50x = 78,723,002.25 × 78,723,002.25
4. Step 4: Simplify right side
   51,164,581.50x = 6,197,311,083,253,505
5. Step 5: Solve for x
   x = 6,197,311,083,253,505/51,164,581.50
6. Step 6: Final answer
   x = 121,125,022.46