Finding the Third Proportional to 45,391.50 and 60,669

Step by Step Solution

1. Step 1: Write the proportion equation
   45,391.50 : 60,669 = 60,669 : x
2. Step 2: Convert to fraction form
   45,391.50/60,669 = 60,669/x
3. Step 3: Cross multiply
   45,391.50x = 60,669 × 60,669
4. Step 4: Simplify right side
   45,391.50x = 3,680,727,561
5. Step 5: Solve for x
   x = 3,680,727,561/45,391.50
6. Step 6: Final answer
   x = 81,088.48