Finding the Third Proportional to 60,020 and 131,560

Step by Step Solution

1. Step 1: Write the proportion equation
   60,020 : 131,560 = 131,560 : x
2. Step 2: Convert to fraction form
   60,020/131,560 = 131,560/x
3. Step 3: Cross multiply
   60,020x = 131,560 × 131,560
4. Step 4: Simplify right side
   60,020x = 17,308,033,600
5. Step 5: Solve for x
   x = 17,308,033,600/60,020
6. Step 6: Final answer
   x = 288,371.10