Finding the Third Proportional to 58,113.38 and 89,800.13

Step by Step Solution

1. Step 1: Write the proportion equation
   58,113.38 : 89,800.13 = 89,800.13 : x
2. Step 2: Convert to fraction form
   58,113.38/89,800.13 = 89,800.13/x
3. Step 3: Cross multiply
   58,113.38x = 89,800.13 × 89,800.13
4. Step 4: Simplify right side
   58,113.38x = 8,064,062,450.02
5. Step 5: Solve for x
   x = 8,064,062,450.02/58,113.38
6. Step 6: Final answer
   x = 138,764.31