Finding the Third Proportional to 28,404 and 60,920

Step by Step Solution

1. Step 1: Write the proportion equation
   28,404 : 60,920 = 60,920 : x
2. Step 2: Convert to fraction form
   28,404/60,920 = 60,920/x
3. Step 3: Cross multiply
   28,404x = 60,920 × 60,920
4. Step 4: Simplify right side
   28,404x = 3,711,246,400
5. Step 5: Solve for x
   x = 3,711,246,400/28,404
6. Step 6: Final answer
   x = 130,659.29