Finding the Third Proportional to 152,158 and 222,603

Step by Step Solution

1. Step 1: Write the proportion equation
   152,158 : 222,603 = 222,603 : x
2. Step 2: Convert to fraction form
   152,158/222,603 = 222,603/x
3. Step 3: Cross multiply
   152,158x = 222,603 × 222,603
4. Step 4: Simplify right side
   152,158x = 49,552,095,609
5. Step 5: Solve for x
   x = 49,552,095,609/152,158
6. Step 6: Final answer
   x = 325,662.11