Finding the Third Proportional to 59,320 and 130,300

Step by Step Solution

1. Step 1: Write the proportion equation
   59,320 : 130,300 = 130,300 : x
2. Step 2: Convert to fraction form
   59,320/130,300 = 130,300/x
3. Step 3: Cross multiply
   59,320x = 130,300 × 130,300
4. Step 4: Simplify right side
   59,320x = 16,978,090,000
5. Step 5: Solve for x
   x = 16,978,090,000/59,320
6. Step 6: Final answer
   x = 286,211.90