Finding the Third Proportional to 2,155,926 and 4,694,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,926 : 4,694,340 = 4,694,340 : x
2. Step 2: Convert to fraction form
   2,155,926/4,694,340 = 4,694,340/x
3. Step 3: Cross multiply
   2,155,926x = 4,694,340 × 4,694,340
4. Step 4: Simplify right side
   2,155,926x = 22,036,828,035,600
5. Step 5: Solve for x
   x = 22,036,828,035,600/2,155,926
6. Step 6: Final answer
   x = 10,221,514.11