Finding the Third Proportional to 40,648.50 and 60,666.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,648.50 : 60,666.75 = 60,666.75 : x
2. Step 2: Convert to fraction form
   40,648.50/60,666.75 = 60,666.75/x
3. Step 3: Cross multiply
   40,648.50x = 60,666.75 × 60,666.75
4. Step 4: Simplify right side
   40,648.50x = 3,680,454,555.56
5. Step 5: Solve for x
   x = 3,680,454,555.56/40,648.50
6. Step 6: Final answer
   x = 90,543.43