Finding the Third Proportional to 28,142 and 60,424

Step by Step Solution

1. Step 1: Write the proportion equation
   28,142 : 60,424 = 60,424 : x
2. Step 2: Convert to fraction form
   28,142/60,424 = 60,424/x
3. Step 3: Cross multiply
   28,142x = 60,424 × 60,424
4. Step 4: Simplify right side
   28,142x = 3,651,059,776
5. Step 5: Solve for x
   x = 3,651,059,776/28,142
6. Step 6: Final answer
   x = 129,737.04