Finding the Third Proportional to 98,406.50 and 156,660

Step by Step Solution

1. Step 1: Write the proportion equation
   98,406.50 : 156,660 = 156,660 : x
2. Step 2: Convert to fraction form
   98,406.50/156,660 = 156,660/x
3. Step 3: Cross multiply
   98,406.50x = 156,660 × 156,660
4. Step 4: Simplify right side
   98,406.50x = 24,542,355,600
5. Step 5: Solve for x
   x = 24,542,355,600/98,406.50
6. Step 6: Final answer
   x = 249,397.71