Finding the Third Proportional to 333,492 and 499,320

Step by Step Solution

1. Step 1: Write the proportion equation
   333,492 : 499,320 = 499,320 : x
2. Step 2: Convert to fraction form
   333,492/499,320 = 499,320/x
3. Step 3: Cross multiply
   333,492x = 499,320 × 499,320
4. Step 4: Simplify right side
   333,492x = 249,320,462,400
5. Step 5: Solve for x
   x = 249,320,462,400/333,492
6. Step 6: Final answer
   x = 747,605.53