Finding the Third Proportional to 1,566,198 and 3,420,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,198 : 3,420,028 = 3,420,028 : x
2. Step 2: Convert to fraction form
   1,566,198/3,420,028 = 3,420,028/x
3. Step 3: Cross multiply
   1,566,198x = 3,420,028 × 3,420,028
4. Step 4: Simplify right side
   1,566,198x = 11,696,591,520,784
5. Step 5: Solve for x
   x = 11,696,591,520,784/1,566,198
6. Step 6: Final answer
   x = 7,468,143.57