Finding the Third Proportional to 72,196.50 and 156,980.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,196.50 : 156,980.25 = 156,980.25 : x
2. Step 2: Convert to fraction form
   72,196.50/156,980.25 = 156,980.25/x
3. Step 3: Cross multiply
   72,196.50x = 156,980.25 × 156,980.25
4. Step 4: Simplify right side
   72,196.50x = 24,642,798,890.06
5. Step 5: Solve for x
   x = 24,642,798,890.06/72,196.50
6. Step 6: Final answer
   x = 341,329.55