Finding the Third Proportional to 57,465 and 89,204.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,465 : 89,204.50 = 89,204.50 : x
2. Step 2: Convert to fraction form
   57,465/89,204.50 = 89,204.50/x
3. Step 3: Cross multiply
   57,465x = 89,204.50 × 89,204.50
4. Step 4: Simplify right side
   57,465x = 7,957,442,820.25
5. Step 5: Solve for x
   x = 7,957,442,820.25/57,465
6. Step 6: Final answer
   x = 138,474.60