Finding the Third Proportional to 114,864 and 243,644

Step by Step Solution

1. Step 1: Write the proportion equation
   114,864 : 243,644 = 243,644 : x
2. Step 2: Convert to fraction form
   114,864/243,644 = 243,644/x
3. Step 3: Cross multiply
   114,864x = 243,644 × 243,644
4. Step 4: Simplify right side
   114,864x = 59,362,398,736
5. Step 5: Solve for x
   x = 59,362,398,736/114,864
6. Step 6: Final answer
   x = 516,805.95