Finding the Third Proportional to 175,514 and 342,280

Step by Step Solution

1. Step 1: Write the proportion equation
   175,514 : 342,280 = 342,280 : x
2. Step 2: Convert to fraction form
   175,514/342,280 = 342,280/x
3. Step 3: Cross multiply
   175,514x = 342,280 × 342,280
4. Step 4: Simplify right side
   175,514x = 117,155,598,400
5. Step 5: Solve for x
   x = 117,155,598,400/175,514
6. Step 6: Final answer
   x = 667,500.02