Finding the Third Proportional to 325,670 and 518,061

Step by Step Solution

1. Step 1: Write the proportion equation
   325,670 : 518,061 = 518,061 : x
2. Step 2: Convert to fraction form
   325,670/518,061 = 518,061/x
3. Step 3: Cross multiply
   325,670x = 518,061 × 518,061
4. Step 4: Simplify right side
   325,670x = 268,387,199,721
5. Step 5: Solve for x
   x = 268,387,199,721/325,670
6. Step 6: Final answer
   x = 824,107.84