Finding the Third Proportional to 515,423 and 1,109,495

Step by Step Solution

1. Step 1: Write the proportion equation
   515,423 : 1,109,495 = 1,109,495 : x
2. Step 2: Convert to fraction form
   515,423/1,109,495 = 1,109,495/x
3. Step 3: Cross multiply
   515,423x = 1,109,495 × 1,109,495
4. Step 4: Simplify right side
   515,423x = 1,230,979,155,025
5. Step 5: Solve for x
   x = 1,230,979,155,025/515,423
6. Step 6: Final answer
   x = 2,388,289.14