Finding the Third Proportional to 664,694 and 1,449,700

Step by Step Solution

1. Step 1: Write the proportion equation
   664,694 : 1,449,700 = 1,449,700 : x
2. Step 2: Convert to fraction form
   664,694/1,449,700 = 1,449,700/x
3. Step 3: Cross multiply
   664,694x = 1,449,700 × 1,449,700
4. Step 4: Simplify right side
   664,694x = 2,101,630,090,000
5. Step 5: Solve for x
   x = 2,101,630,090,000/664,694
6. Step 6: Final answer
   x = 3,161,800.90