Finding the Third Proportional to 864,878 and 1,892,663

Step by Step Solution

1. Step 1: Write the proportion equation
   864,878 : 1,892,663 = 1,892,663 : x
2. Step 2: Convert to fraction form
   864,878/1,892,663 = 1,892,663/x
3. Step 3: Cross multiply
   864,878x = 1,892,663 × 1,892,663
4. Step 4: Simplify right side
   864,878x = 3,582,173,231,569
5. Step 5: Solve for x
   x = 3,582,173,231,569/864,878
6. Step 6: Final answer
   x = 4,141,824.90