Finding the Third Proportional to 2,155,743 and 4,694,211

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,743 : 4,694,211 = 4,694,211 : x
2. Step 2: Convert to fraction form
   2,155,743/4,694,211 = 4,694,211/x
3. Step 3: Cross multiply
   2,155,743x = 4,694,211 × 4,694,211
4. Step 4: Simplify right side
   2,155,743x = 22,035,616,912,521
5. Step 5: Solve for x
   x = 22,035,616,912,521/2,155,743
6. Step 6: Final answer
   x = 10,221,820.00