Finding the Third Proportional to 642,096 and 1,518,468

Step by Step Solution

1. Step 1: Write the proportion equation
   642,096 : 1,518,468 = 1,518,468 : x
2. Step 2: Convert to fraction form
   642,096/1,518,468 = 1,518,468/x
3. Step 3: Cross multiply
   642,096x = 1,518,468 × 1,518,468
4. Step 4: Simplify right side
   642,096x = 2,305,745,067,024
5. Step 5: Solve for x
   x = 2,305,745,067,024/642,096
6. Step 6: Final answer
   x = 3,590,966.25