Finding the Third Proportional to 2,106,870 and 4,550,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,870 : 4,550,040 = 4,550,040 : x
2. Step 2: Convert to fraction form
   2,106,870/4,550,040 = 4,550,040/x
3. Step 3: Cross multiply
   2,106,870x = 4,550,040 × 4,550,040
4. Step 4: Simplify right side
   2,106,870x = 20,702,864,001,600
5. Step 5: Solve for x
   x = 20,702,864,001,600/2,106,870
6. Step 6: Final answer
   x = 9,826,360.43