Finding the Third Proportional to 111,460 and 243,656

Step by Step Solution

1. Step 1: Write the proportion equation
   111,460 : 243,656 = 243,656 : x
2. Step 2: Convert to fraction form
   111,460/243,656 = 243,656/x
3. Step 3: Cross multiply
   111,460x = 243,656 × 243,656
4. Step 4: Simplify right side
   111,460x = 59,368,246,336
5. Step 5: Solve for x
   x = 59,368,246,336/111,460
6. Step 6: Final answer
   x = 532,641.72