Finding the Third Proportional to 152,136 and 222,708

Step by Step Solution

1. Step 1: Write the proportion equation
   152,136 : 222,708 = 222,708 : x
2. Step 2: Convert to fraction form
   152,136/222,708 = 222,708/x
3. Step 3: Cross multiply
   152,136x = 222,708 × 222,708
4. Step 4: Simplify right side
   152,136x = 49,598,853,264
5. Step 5: Solve for x
   x = 49,598,853,264/152,136
6. Step 6: Final answer
   x = 326,016.55