Finding the Third Proportional to 98,705 and 156,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,705 : 156,985.50 = 156,985.50 : x
2. Step 2: Convert to fraction form
   98,705/156,985.50 = 156,985.50/x
3. Step 3: Cross multiply
   98,705x = 156,985.50 × 156,985.50
4. Step 4: Simplify right side
   98,705x = 24,644,447,210.25
5. Step 5: Solve for x
   x = 24,644,447,210.25/98,705
6. Step 6: Final answer
   x = 249,677.80