Finding the Third Proportional to 518,460 and 1,078,305

Step by Step Solution

1. Step 1: Write the proportion equation
   518,460 : 1,078,305 = 1,078,305 : x
2. Step 2: Convert to fraction form
   518,460/1,078,305 = 1,078,305/x
3. Step 3: Cross multiply
   518,460x = 1,078,305 × 1,078,305
4. Step 4: Simplify right side
   518,460x = 1,162,741,673,025
5. Step 5: Solve for x
   x = 1,162,741,673,025/518,460
6. Step 6: Final answer
   x = 2,242,683.47