Finding the Third Proportional to 59,719 and 86,329

Step by Step Solution

1. Step 1: Write the proportion equation
   59,719 : 86,329 = 86,329 : x
2. Step 2: Convert to fraction form
   59,719/86,329 = 86,329/x
3. Step 3: Cross multiply
   59,719x = 86,329 × 86,329
4. Step 4: Simplify right side
   59,719x = 7,452,696,241
5. Step 5: Solve for x
   x = 7,452,696,241/59,719
6. Step 6: Final answer
   x = 124,796.07