Finding the Third Proportional to 664,736 and 1,449,784

Step by Step Solution

1. Step 1: Write the proportion equation
   664,736 : 1,449,784 = 1,449,784 : x
2. Step 2: Convert to fraction form
   664,736/1,449,784 = 1,449,784/x
3. Step 3: Cross multiply
   664,736x = 1,449,784 × 1,449,784
4. Step 4: Simplify right side
   664,736x = 2,101,873,646,656
5. Step 5: Solve for x
   x = 2,101,873,646,656/664,736
6. Step 6: Final answer
   x = 3,161,967.53