Finding the Third Proportional to 268,291 and 363,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,291 : 363,070.50 = 363,070.50 : x
2. Step 2: Convert to fraction form
   268,291/363,070.50 = 363,070.50/x
3. Step 3: Cross multiply
   268,291x = 363,070.50 × 363,070.50
4. Step 4: Simplify right side
   268,291x = 131,820,187,970.25
5. Step 5: Solve for x
   x = 131,820,187,970.25/268,291
6. Step 6: Final answer
   x = 491,332.87