Finding the Third Proportional to 58,989.09 and 88,489.97

Step by Step Solution

1. Step 1: Write the proportion equation
   58,989.09 : 88,489.97 = 88,489.97 : x
2. Step 2: Convert to fraction form
   58,989.09/88,489.97 = 88,489.97/x
3. Step 3: Cross multiply
   58,989.09x = 88,489.97 × 88,489.97
4. Step 4: Simplify right side
   58,989.09x = 7,830,474,569.38
5. Step 5: Solve for x
   x = 7,830,474,569.38/58,989.09
6. Step 6: Final answer
   x = 132,744.45