Finding the Third Proportional to 72,292 and 156,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,292 : 156,649.50 = 156,649.50 : x
2. Step 2: Convert to fraction form
   72,292/156,649.50 = 156,649.50/x
3. Step 3: Cross multiply
   72,292x = 156,649.50 × 156,649.50
4. Step 4: Simplify right side
   72,292x = 24,539,065,850.25
5. Step 5: Solve for x
   x = 24,539,065,850.25/72,292
6. Step 6: Final answer
   x = 339,443.73