Finding the Third Proportional to 59,216 and 88,642

Step by Step Solution

1. Step 1: Write the proportion equation
   59,216 : 88,642 = 88,642 : x
2. Step 2: Convert to fraction form
   59,216/88,642 = 88,642/x
3. Step 3: Cross multiply
   59,216x = 88,642 × 88,642
4. Step 4: Simplify right side
   59,216x = 7,857,404,164
5. Step 5: Solve for x
   x = 7,857,404,164/59,216
6. Step 6: Final answer
   x = 132,690.56