Finding the Third Proportional to 664,752 and 1,449,780

Step by Step Solution

1. Step 1: Write the proportion equation
   664,752 : 1,449,780 = 1,449,780 : x
2. Step 2: Convert to fraction form
   664,752/1,449,780 = 1,449,780/x
3. Step 3: Cross multiply
   664,752x = 1,449,780 × 1,449,780
4. Step 4: Simplify right side
   664,752x = 2,101,862,048,400
5. Step 5: Solve for x
   x = 2,101,862,048,400/664,752
6. Step 6: Final answer
   x = 3,161,873.97