Finding the Third Proportional to 114,872 and 243,380

Step by Step Solution

1. Step 1: Write the proportion equation
   114,872 : 243,380 = 243,380 : x
2. Step 2: Convert to fraction form
   114,872/243,380 = 243,380/x
3. Step 3: Cross multiply
   114,872x = 243,380 × 243,380
4. Step 4: Simplify right side
   114,872x = 59,233,824,400
5. Step 5: Solve for x
   x = 59,233,824,400/114,872
6. Step 6: Final answer
   x = 515,650.68