Finding the Third Proportional to 59,439 and 87,338

Step by Step Solution

1. Step 1: Write the proportion equation
   59,439 : 87,338 = 87,338 : x
2. Step 2: Convert to fraction form
   59,439/87,338 = 87,338/x
3. Step 3: Cross multiply
   59,439x = 87,338 × 87,338
4. Step 4: Simplify right side
   59,439x = 7,627,926,244
5. Step 5: Solve for x
   x = 7,627,926,244/59,439
6. Step 6: Final answer
   x = 128,332.01