Finding the Third Proportional to 112,704 and 243,456

Step by Step Solution

1. Step 1: Write the proportion equation
   112,704 : 243,456 = 243,456 : x
2. Step 2: Convert to fraction form
   112,704/243,456 = 243,456/x
3. Step 3: Cross multiply
   112,704x = 243,456 × 243,456
4. Step 4: Simplify right side
   112,704x = 59,270,823,936
5. Step 5: Solve for x
   x = 59,270,823,936/112,704
6. Step 6: Final answer
   x = 525,898.14