Finding the Third Proportional to 114,940 and 243,702

Step by Step Solution

1. Step 1: Write the proportion equation
   114,940 : 243,702 = 243,702 : x
2. Step 2: Convert to fraction form
   114,940/243,702 = 243,702/x
3. Step 3: Cross multiply
   114,940x = 243,702 × 243,702
4. Step 4: Simplify right side
   114,940x = 59,390,664,804
5. Step 5: Solve for x
   x = 59,390,664,804/114,940
6. Step 6: Final answer
   x = 516,710.15