Finding the Third Proportional to 63,445.50 and 90,632.25

Step by Step Solution

1. Step 1: Write the proportion equation
   63,445.50 : 90,632.25 = 90,632.25 : x
2. Step 2: Convert to fraction form
   63,445.50/90,632.25 = 90,632.25/x
3. Step 3: Cross multiply
   63,445.50x = 90,632.25 × 90,632.25
4. Step 4: Simplify right side
   63,445.50x = 8,214,204,740.06
5. Step 5: Solve for x
   x = 8,214,204,740.06/63,445.50
6. Step 6: Final answer
   x = 129,468.67