Finding the Third Proportional to 2,155,929 and 4,694,346

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,929 : 4,694,346 = 4,694,346 : x
2. Step 2: Convert to fraction form
   2,155,929/4,694,346 = 4,694,346/x
3. Step 3: Cross multiply
   2,155,929x = 4,694,346 × 4,694,346
4. Step 4: Simplify right side
   2,155,929x = 22,036,884,367,716
5. Step 5: Solve for x
   x = 22,036,884,367,716/2,155,929
6. Step 6: Final answer
   x = 10,221,526.02