Finding the Third Proportional to 57,985 and 89,596

Step by Step Solution

1. Step 1: Write the proportion equation
   57,985 : 89,596 = 89,596 : x
2. Step 2: Convert to fraction form
   57,985/89,596 = 89,596/x
3. Step 3: Cross multiply
   57,985x = 89,596 × 89,596
4. Step 4: Simplify right side
   57,985x = 8,027,443,216
5. Step 5: Solve for x
   x = 8,027,443,216/57,985
6. Step 6: Final answer
   x = 138,440.00