Finding the Third Proportional to 59,400 and 130,140

Step by Step Solution

1. Step 1: Write the proportion equation
   59,400 : 130,140 = 130,140 : x
2. Step 2: Convert to fraction form
   59,400/130,140 = 130,140/x
3. Step 3: Cross multiply
   59,400x = 130,140 × 130,140
4. Step 4: Simplify right side
   59,400x = 16,936,419,600
5. Step 5: Solve for x
   x = 16,936,419,600/59,400
6. Step 6: Final answer
   x = 285,124.91