Finding the Third Proportional to 172,514 and 371,272

Step by Step Solution

1. Step 1: Write the proportion equation
   172,514 : 371,272 = 371,272 : x
2. Step 2: Convert to fraction form
   172,514/371,272 = 371,272/x
3. Step 3: Cross multiply
   172,514x = 371,272 × 371,272
4. Step 4: Simplify right side
   172,514x = 137,842,897,984
5. Step 5: Solve for x
   x = 137,842,897,984/172,514
6. Step 6: Final answer
   x = 799,024.42