Finding the Third Proportional to 1,002,456 and 2,087,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,456 : 2,087,856 = 2,087,856 : x
2. Step 2: Convert to fraction form
   1,002,456/2,087,856 = 2,087,856/x
3. Step 3: Cross multiply
   1,002,456x = 2,087,856 × 2,087,856
4. Step 4: Simplify right side
   1,002,456x = 4,359,142,676,736
5. Step 5: Solve for x
   x = 4,359,142,676,736/1,002,456
6. Step 6: Final answer
   x = 4,348,462.85