Finding the Third Proportional to 28,156.50 and 60,660

Step by Step Solution

1. Step 1: Write the proportion equation
   28,156.50 : 60,660 = 60,660 : x
2. Step 2: Convert to fraction form
   28,156.50/60,660 = 60,660/x
3. Step 3: Cross multiply
   28,156.50x = 60,660 × 60,660
4. Step 4: Simplify right side
   28,156.50x = 3,679,635,600
5. Step 5: Solve for x
   x = 3,679,635,600/28,156.50
6. Step 6: Final answer
   x = 130,685.12