Finding the Third Proportional to 243,996 and 375,504

Step by Step Solution

1. Step 1: Write the proportion equation
   243,996 : 375,504 = 375,504 : x
2. Step 2: Convert to fraction form
   243,996/375,504 = 375,504/x
3. Step 3: Cross multiply
   243,996x = 375,504 × 375,504
4. Step 4: Simplify right side
   243,996x = 141,003,254,016
5. Step 5: Solve for x
   x = 141,003,254,016/243,996
6. Step 6: Final answer
   x = 577,891.66