Finding the Third Proportional to 113,058 and 243,423

Step by Step Solution

1. Step 1: Write the proportion equation
   113,058 : 243,423 = 243,423 : x
2. Step 2: Convert to fraction form
   113,058/243,423 = 243,423/x
3. Step 3: Cross multiply
   113,058x = 243,423 × 243,423
4. Step 4: Simplify right side
   113,058x = 59,254,756,929
5. Step 5: Solve for x
   x = 59,254,756,929/113,058
6. Step 6: Final answer
   x = 524,109.37