Finding the Third Proportional to 664,650 and 1,449,600

Step by Step Solution

1. Step 1: Write the proportion equation
   664,650 : 1,449,600 = 1,449,600 : x
2. Step 2: Convert to fraction form
   664,650/1,449,600 = 1,449,600/x
3. Step 3: Cross multiply
   664,650x = 1,449,600 × 1,449,600
4. Step 4: Simplify right side
   664,650x = 2,101,340,160,000
5. Step 5: Solve for x
   x = 2,101,340,160,000/664,650
6. Step 6: Final answer
   x = 3,161,574.00