Finding the Third Proportional to 59,990 and 130,336

Step by Step Solution

1. Step 1: Write the proportion equation
   59,990 : 130,336 = 130,336 : x
2. Step 2: Convert to fraction form
   59,990/130,336 = 130,336/x
3. Step 3: Cross multiply
   59,990x = 130,336 × 130,336
4. Step 4: Simplify right side
   59,990x = 16,987,472,896
5. Step 5: Solve for x
   x = 16,987,472,896/59,990
6. Step 6: Final answer
   x = 283,171.74