Finding the Third Proportional to 2,921,673 and 4,366,155

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921,673 : 4,366,155 = 4,366,155 : x
2. Step 2: Convert to fraction form
   2,921,673/4,366,155 = 4,366,155/x
3. Step 3: Cross multiply
   2,921,673x = 4,366,155 × 4,366,155
4. Step 4: Simplify right side
   2,921,673x = 19,063,309,484,025
5. Step 5: Solve for x
   x = 19,063,309,484,025/2,921,673
6. Step 6: Final answer
   x = 6,524,792.30