Finding the Third Proportional to 243,695.25 and 363,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,695.25 : 363,514.50 = 363,514.50 : x
2. Step 2: Convert to fraction form
   243,695.25/363,514.50 = 363,514.50/x
3. Step 3: Cross multiply
   243,695.25x = 363,514.50 × 363,514.50
4. Step 4: Simplify right side
   243,695.25x = 132,142,791,710.25
5. Step 5: Solve for x
   x = 132,142,791,710.25/243,695.25
6. Step 6: Final answer
   x = 542,246.07