Finding the Third Proportional to 59,661 and 88,389

Step by Step Solution

1. Step 1: Write the proportion equation
   59,661 : 88,389 = 88,389 : x
2. Step 2: Convert to fraction form
   59,661/88,389 = 88,389/x
3. Step 3: Cross multiply
   59,661x = 88,389 × 88,389
4. Step 4: Simplify right side
   59,661x = 7,812,615,321
5. Step 5: Solve for x
   x = 7,812,615,321/59,661
6. Step 6: Final answer
   x = 130,950.12