Finding the Third Proportional to 1,399,152 and 2,966,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,152 : 2,966,448 = 2,966,448 : x
2. Step 2: Convert to fraction form
   1,399,152/2,966,448 = 2,966,448/x
3. Step 3: Cross multiply
   1,399,152x = 2,966,448 × 2,966,448
4. Step 4: Simplify right side
   1,399,152x = 8,799,813,736,704
5. Step 5: Solve for x
   x = 8,799,813,736,704/1,399,152
6. Step 6: Final answer
   x = 6,289,390.81