Finding the Third Proportional to 2,159,307 and 4,725,396

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,307 : 4,725,396 = 4,725,396 : x
2. Step 2: Convert to fraction form
   2,159,307/4,725,396 = 4,725,396/x
3. Step 3: Cross multiply
   2,159,307x = 4,725,396 × 4,725,396
4. Step 4: Simplify right side
   2,159,307x = 22,329,367,356,816
5. Step 5: Solve for x
   x = 22,329,367,356,816/2,159,307
6. Step 6: Final answer
   x = 10,340,987.81