Finding the Third Proportional to 518,553 and 1,109,037

Step by Step Solution

1. Step 1: Write the proportion equation
   518,553 : 1,109,037 = 1,109,037 : x
2. Step 2: Convert to fraction form
   518,553/1,109,037 = 1,109,037/x
3. Step 3: Cross multiply
   518,553x = 1,109,037 × 1,109,037
4. Step 4: Simplify right side
   518,553x = 1,229,963,067,369
5. Step 5: Solve for x
   x = 1,229,963,067,369/518,553
6. Step 6: Final answer
   x = 2,371,913.90