Finding the Third Proportional to 98,400 and 156,650.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,400 : 156,650.25 = 156,650.25 : x
2. Step 2: Convert to fraction form
   98,400/156,650.25 = 156,650.25/x
3. Step 3: Cross multiply
   98,400x = 156,650.25 × 156,650.25
4. Step 4: Simplify right side
   98,400x = 24,539,300,825.06
5. Step 5: Solve for x
   x = 24,539,300,825.06/98,400
6. Step 6: Final answer
   x = 249,383.14