Finding the Third Proportional to 218,192 and 333,632

Step by Step Solution

1. Step 1: Write the proportion equation
   218,192 : 333,632 = 333,632 : x
2. Step 2: Convert to fraction form
   218,192/333,632 = 333,632/x
3. Step 3: Cross multiply
   218,192x = 333,632 × 333,632
4. Step 4: Simplify right side
   218,192x = 111,310,311,424
5. Step 5: Solve for x
   x = 111,310,311,424/218,192
6. Step 6: Final answer
   x = 510,148.45