Finding the Third Proportional to 3,785,976 and 8,214,120

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785,976 : 8,214,120 = 8,214,120 : x
2. Step 2: Convert to fraction form
   3,785,976/8,214,120 = 8,214,120/x
3. Step 3: Cross multiply
   3,785,976x = 8,214,120 × 8,214,120
4. Step 4: Simplify right side
   3,785,976x = 67,471,767,374,400
5. Step 5: Solve for x
   x = 67,471,767,374,400/3,785,976
6. Step 6: Final answer
   x = 17,821,498.97