Finding the Third Proportional to 155,926.50 and 251,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,926.50 : 251,116.50 = 251,116.50 : x
2. Step 2: Convert to fraction form
   155,926.50/251,116.50 = 251,116.50/x
3. Step 3: Cross multiply
   155,926.50x = 251,116.50 × 251,116.50
4. Step 4: Simplify right side
   155,926.50x = 63,059,496,572.25
5. Step 5: Solve for x
   x = 63,059,496,572.25/155,926.50
6. Step 6: Final answer
   x = 404,418.09