Finding the Third Proportional to 1,540,128 and 3,377,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540,128 : 3,377,856 = 3,377,856 : x
2. Step 2: Convert to fraction form
   1,540,128/3,377,856 = 3,377,856/x
3. Step 3: Cross multiply
   1,540,128x = 3,377,856 × 3,377,856
4. Step 4: Simplify right side
   1,540,128x = 11,409,911,156,736
5. Step 5: Solve for x
   x = 11,409,911,156,736/1,540,128
6. Step 6: Final answer
   x = 7,408,417.45