Finding the Third Proportional to 152,208 and 315,024

Step by Step Solution

1. Step 1: Write the proportion equation
   152,208 : 315,024 = 315,024 : x
2. Step 2: Convert to fraction form
   152,208/315,024 = 315,024/x
3. Step 3: Cross multiply
   152,208x = 315,024 × 315,024
4. Step 4: Simplify right side
   152,208x = 99,240,120,576
5. Step 5: Solve for x
   x = 99,240,120,576/152,208
6. Step 6: Final answer
   x = 652,003.32