Finding the Third Proportional to 250,926 and 357,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,926 : 357,700.50 = 357,700.50 : x
2. Step 2: Convert to fraction form
   250,926/357,700.50 = 357,700.50/x
3. Step 3: Cross multiply
   250,926x = 357,700.50 × 357,700.50
4. Step 4: Simplify right side
   250,926x = 127,949,647,700.25
5. Step 5: Solve for x
   x = 127,949,647,700.25/250,926
6. Step 6: Final answer
   x = 509,909.88