Finding the Third Proportional to 153,474 and 333,192

Step by Step Solution

1. Step 1: Write the proportion equation
   153,474 : 333,192 = 333,192 : x
2. Step 2: Convert to fraction form
   153,474/333,192 = 333,192/x
3. Step 3: Cross multiply
   153,474x = 333,192 × 333,192
4. Step 4: Simplify right side
   153,474x = 111,016,908,864
5. Step 5: Solve for x
   x = 111,016,908,864/153,474
6. Step 6: Final answer
   x = 723,359.71