Finding the Third Proportional to 664,176 and 1,375,612

Step by Step Solution

1. Step 1: Write the proportion equation
   664,176 : 1,375,612 = 1,375,612 : x
2. Step 2: Convert to fraction form
   664,176/1,375,612 = 1,375,612/x
3. Step 3: Cross multiply
   664,176x = 1,375,612 × 1,375,612
4. Step 4: Simplify right side
   664,176x = 1,892,308,374,544
5. Step 5: Solve for x
   x = 1,892,308,374,544/664,176
6. Step 6: Final answer
   x = 2,849,106.82