Finding the Third Proportional to 111,462 and 243,660

Step by Step Solution

1. Step 1: Write the proportion equation
   111,462 : 243,660 = 243,660 : x
2. Step 2: Convert to fraction form
   111,462/243,660 = 243,660/x
3. Step 3: Cross multiply
   111,462x = 243,660 × 243,660
4. Step 4: Simplify right side
   111,462x = 59,370,195,600
5. Step 5: Solve for x
   x = 59,370,195,600/111,462
6. Step 6: Final answer
   x = 532,649.65