Finding the Third Proportional to 113,031 and 243,558

Step by Step Solution

1. Step 1: Write the proportion equation
   113,031 : 243,558 = 243,558 : x
2. Step 2: Convert to fraction form
   113,031/243,558 = 243,558/x
3. Step 3: Cross multiply
   113,031x = 243,558 × 243,558
4. Step 4: Simplify right side
   113,031x = 59,320,499,364
5. Step 5: Solve for x
   x = 59,320,499,364/113,031
6. Step 6: Final answer
   x = 524,816.20