Finding the Third Proportional to 222,914 and 342,147

Step by Step Solution

1. Step 1: Write the proportion equation
   222,914 : 342,147 = 342,147 : x
2. Step 2: Convert to fraction form
   222,914/342,147 = 342,147/x
3. Step 3: Cross multiply
   222,914x = 342,147 × 342,147
4. Step 4: Simplify right side
   222,914x = 117,064,569,609
5. Step 5: Solve for x
   x = 117,064,569,609/222,914
6. Step 6: Final answer
   x = 525,155.75