Finding the Third Proportional to 114,609.50 and 243,981

Step by Step Solution

1. Step 1: Write the proportion equation
   114,609.50 : 243,981 = 243,981 : x
2. Step 2: Convert to fraction form
   114,609.50/243,981 = 243,981/x
3. Step 3: Cross multiply
   114,609.50x = 243,981 × 243,981
4. Step 4: Simplify right side
   114,609.50x = 59,526,728,361
5. Step 5: Solve for x
   x = 59,526,728,361/114,609.50
6. Step 6: Final answer
   x = 519,387.38