Finding the Third Proportional to 58,494.38 and 89,854.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,494.38 : 89,854.31 = 89,854.31 : x
2. Step 2: Convert to fraction form
   58,494.38/89,854.31 = 89,854.31/x
3. Step 3: Cross multiply
   58,494.38x = 89,854.31 × 89,854.31
4. Step 4: Simplify right side
   58,494.38x = 8,073,797,474.85
5. Step 5: Solve for x
   x = 8,073,797,474.85/58,494.38
6. Step 6: Final answer
   x = 138,026.90