Finding the Third Proportional to 61,321.43 and 89,963.16

Step by Step Solution

1. Step 1: Write the proportion equation
   61,321.43 : 89,963.16 = 89,963.16 : x
2. Step 2: Convert to fraction form
   61,321.43/89,963.16 = 89,963.16/x
3. Step 3: Cross multiply
   61,321.43x = 89,963.16 × 89,963.16
4. Step 4: Simplify right side
   61,321.43x = 8,093,369,482.46
5. Step 5: Solve for x
   x = 8,093,369,482.46/61,321.43
6. Step 6: Final answer
   x = 131,982.73