Finding the Third Proportional to 57,985.50 and 89,597.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,985.50 : 89,597.25 = 89,597.25 : x
2. Step 2: Convert to fraction form
   57,985.50/89,597.25 = 89,597.25/x
3. Step 3: Cross multiply
   57,985.50x = 89,597.25 × 89,597.25
4. Step 4: Simplify right side
   57,985.50x = 8,027,667,207.56
5. Step 5: Solve for x
   x = 8,027,667,207.56/57,985.50
6. Step 6: Final answer
   x = 138,442.67