Finding the Third Proportional to 243,335.25 and 325,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,335.25 : 325,498.50 = 325,498.50 : x
2. Step 2: Convert to fraction form
   243,335.25/325,498.50 = 325,498.50/x
3. Step 3: Cross multiply
   243,335.25x = 325,498.50 × 325,498.50
4. Step 4: Simplify right side
   243,335.25x = 105,949,273,502.25
5. Step 5: Solve for x
   x = 105,949,273,502.25/243,335.25
6. Step 6: Final answer
   x = 435,404.54