Finding the Third Proportional to 58,142.25 and 89,957.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,142.25 : 89,957.25 = 89,957.25 : x
2. Step 2: Convert to fraction form
   58,142.25/89,957.25 = 89,957.25/x
3. Step 3: Cross multiply
   58,142.25x = 89,957.25 × 89,957.25
4. Step 4: Simplify right side
   58,142.25x = 8,092,306,827.56
5. Step 5: Solve for x
   x = 8,092,306,827.56/58,142.25
6. Step 6: Final answer
   x = 139,181.18