Finding the Third Proportional to 36,464 and 57,128

Step by Step Solution

1. Step 1: Write the proportion equation
   36,464 : 57,128 = 57,128 : x
2. Step 2: Convert to fraction form
   36,464/57,128 = 57,128/x
3. Step 3: Cross multiply
   36,464x = 57,128 × 57,128
4. Step 4: Simplify right side
   36,464x = 3,263,608,384
5. Step 5: Solve for x
   x = 3,263,608,384/36,464
6. Step 6: Final answer
   x = 89,502.20