Finding the Third Proportional to 57,146 and 87,662

Step by Step Solution

1. Step 1: Write the proportion equation
   57,146 : 87,662 = 87,662 : x
2. Step 2: Convert to fraction form
   57,146/87,662 = 87,662/x
3. Step 3: Cross multiply
   57,146x = 87,662 × 87,662
4. Step 4: Simplify right side
   57,146x = 7,684,626,244
5. Step 5: Solve for x
   x = 7,684,626,244/57,146
6. Step 6: Final answer
   x = 134,473.56