Finding the Third Proportional to 113,972 and 243,496

Step by Step Solution

1. Step 1: Write the proportion equation
   113,972 : 243,496 = 243,496 : x
2. Step 2: Convert to fraction form
   113,972/243,496 = 243,496/x
3. Step 3: Cross multiply
   113,972x = 243,496 × 243,496
4. Step 4: Simplify right side
   113,972x = 59,290,302,016
5. Step 5: Solve for x
   x = 59,290,302,016/113,972
6. Step 6: Final answer
   x = 520,218.14