Finding the Third Proportional to 59,964 and 86,630

Step by Step Solution

1. Step 1: Write the proportion equation
   59,964 : 86,630 = 86,630 : x
2. Step 2: Convert to fraction form
   59,964/86,630 = 86,630/x
3. Step 3: Cross multiply
   59,964x = 86,630 × 86,630
4. Step 4: Simplify right side
   59,964x = 7,504,756,900
5. Step 5: Solve for x
   x = 7,504,756,900/59,964
6. Step 6: Final answer
   x = 125,154.37