Finding the Third Proportional to 243,409.50 and 524,268

Step by Step Solution

1. Step 1: Write the proportion equation
   243,409.50 : 524,268 = 524,268 : x
2. Step 2: Convert to fraction form
   243,409.50/524,268 = 524,268/x
3. Step 3: Cross multiply
   243,409.50x = 524,268 × 524,268
4. Step 4: Simplify right side
   243,409.50x = 274,856,935,824
5. Step 5: Solve for x
   x = 274,856,935,824/243,409.50
6. Step 6: Final answer
   x = 1,129,195.60