Finding the Third Proportional to 111,330 and 230,535

Step by Step Solution

1. Step 1: Write the proportion equation
   111,330 : 230,535 = 230,535 : x
2. Step 2: Convert to fraction form
   111,330/230,535 = 230,535/x
3. Step 3: Cross multiply
   111,330x = 230,535 × 230,535
4. Step 4: Simplify right side
   111,330x = 53,146,386,225
5. Step 5: Solve for x
   x = 53,146,386,225/111,330
6. Step 6: Final answer
   x = 477,377.04