Finding the Third Proportional to 2,155,944 and 4,694,376

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,944 : 4,694,376 = 4,694,376 : x
2. Step 2: Convert to fraction form
   2,155,944/4,694,376 = 4,694,376/x
3. Step 3: Cross multiply
   2,155,944x = 4,694,376 × 4,694,376
4. Step 4: Simplify right side
   2,155,944x = 22,037,166,029,376
5. Step 5: Solve for x
   x = 22,037,166,029,376/2,155,944
6. Step 6: Final answer
   x = 10,221,585.55