Finding the Third Proportional to 57,464 and 85,850

Step by Step Solution

1. Step 1: Write the proportion equation
   57,464 : 85,850 = 85,850 : x
2. Step 2: Convert to fraction form
   57,464/85,850 = 85,850/x
3. Step 3: Cross multiply
   57,464x = 85,850 × 85,850
4. Step 4: Simplify right side
   57,464x = 7,370,222,500
5. Step 5: Solve for x
   x = 7,370,222,500/57,464
6. Step 6: Final answer
   x = 128,258.08