Finding the Third Proportional to 111,696 and 243,464

Step by Step Solution

1. Step 1: Write the proportion equation
   111,696 : 243,464 = 243,464 : x
2. Step 2: Convert to fraction form
   111,696/243,464 = 243,464/x
3. Step 3: Cross multiply
   111,696x = 243,464 × 243,464
4. Step 4: Simplify right side
   111,696x = 59,274,719,296
5. Step 5: Solve for x
   x = 59,274,719,296/111,696
6. Step 6: Final answer
   x = 530,678.98