Finding the Third Proportional to 61,323.75 and 89,966.63

Step by Step Solution

1. Step 1: Write the proportion equation
   61,323.75 : 89,966.63 = 89,966.63 : x
2. Step 2: Convert to fraction form
   61,323.75/89,966.63 = 89,966.63/x
3. Step 3: Cross multiply
   61,323.75x = 89,966.63 × 89,966.63
4. Step 4: Simplify right side
   61,323.75x = 8,093,993,613.89
5. Step 5: Solve for x
   x = 8,093,993,613.89/61,323.75
6. Step 6: Final answer
   x = 131,987.91