Finding the Third Proportional to 18,700.88 and 40,978.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,700.88 : 40,978.13 = 40,978.13 : x
2. Step 2: Convert to fraction form
   18,700.88/40,978.13 = 40,978.13/x
3. Step 3: Cross multiply
   18,700.88x = 40,978.13 × 40,978.13
4. Step 4: Simplify right side
   18,700.88x = 1,679,206,728.52
5. Step 5: Solve for x
   x = 1,679,206,728.52/18,700.88
6. Step 6: Final answer
   x = 89,792.95