Finding the Third Proportional to 57,986.25 and 89,598.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,986.25 : 89,598.38 = 89,598.38 : x
2. Step 2: Convert to fraction form
   57,986.25/89,598.38 = 89,598.38/x
3. Step 3: Cross multiply
   57,986.25x = 89,598.38 × 89,598.38
4. Step 4: Simplify right side
   57,986.25x = 8,027,868,802.64
5. Step 5: Solve for x
   x = 8,027,868,802.64/57,986.25
6. Step 6: Final answer
   x = 138,444.35