Finding the Third Proportional to 2,155,922 and 4,694,332

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,922 : 4,694,332 = 4,694,332 : x
2. Step 2: Convert to fraction form
   2,155,922/4,694,332 = 4,694,332/x
3. Step 3: Cross multiply
   2,155,922x = 4,694,332 × 4,694,332
4. Step 4: Simplify right side
   2,155,922x = 22,036,752,926,224
5. Step 5: Solve for x
   x = 22,036,752,926,224/2,155,922
6. Step 6: Final answer
   x = 10,221,498.24