Finding the Third Proportional to 3,128,246 and 6,854,404

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128,246 : 6,854,404 = 6,854,404 : x
2. Step 2: Convert to fraction form
   3,128,246/6,854,404 = 6,854,404/x
3. Step 3: Cross multiply
   3,128,246x = 6,854,404 × 6,854,404
4. Step 4: Simplify right side
   3,128,246x = 46,982,854,195,216
5. Step 5: Solve for x
   x = 46,982,854,195,216/3,128,246
6. Step 6: Final answer
   x = 15,018,912.90