Finding the Third Proportional to 152,172 and 227,418

Step by Step Solution

1. Step 1: Write the proportion equation
   152,172 : 227,418 = 227,418 : x
2. Step 2: Convert to fraction form
   152,172/227,418 = 227,418/x
3. Step 3: Cross multiply
   152,172x = 227,418 × 227,418
4. Step 4: Simplify right side
   152,172x = 51,718,946,724
5. Step 5: Solve for x
   x = 51,718,946,724/152,172
6. Step 6: Final answer
   x = 339,871.64