Finding the Third Proportional to 677,426 and 1,448,260

Step by Step Solution

1. Step 1: Write the proportion equation
   677,426 : 1,448,260 = 1,448,260 : x
2. Step 2: Convert to fraction form
   677,426/1,448,260 = 1,448,260/x
3. Step 3: Cross multiply
   677,426x = 1,448,260 × 1,448,260
4. Step 4: Simplify right side
   677,426x = 2,097,457,027,600
5. Step 5: Solve for x
   x = 2,097,457,027,600/677,426
6. Step 6: Final answer
   x = 3,096,215.72