Finding the Third Proportional to 1,457,916 and 3,155,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457,916 : 3,155,448 = 3,155,448 : x
2. Step 2: Convert to fraction form
   1,457,916/3,155,448 = 3,155,448/x
3. Step 3: Cross multiply
   1,457,916x = 3,155,448 × 3,155,448
4. Step 4: Simplify right side
   1,457,916x = 9,956,852,080,704
5. Step 5: Solve for x
   x = 9,956,852,080,704/1,457,916
6. Step 6: Final answer
   x = 6,829,510.12