Finding the Third Proportional to 152,418 and 231,667

Step by Step Solution

1. Step 1: Write the proportion equation
   152,418 : 231,667 = 231,667 : x
2. Step 2: Convert to fraction form
   152,418/231,667 = 231,667/x
3. Step 3: Cross multiply
   152,418x = 231,667 × 231,667
4. Step 4: Simplify right side
   152,418x = 53,669,598,889
5. Step 5: Solve for x
   x = 53,669,598,889/152,418
6. Step 6: Final answer
   x = 352,121.13