Finding the Third Proportional to 664,812 and 1,449,868

Step by Step Solution

1. Step 1: Write the proportion equation
   664,812 : 1,449,868 = 1,449,868 : x
2. Step 2: Convert to fraction form
   664,812/1,449,868 = 1,449,868/x
3. Step 3: Cross multiply
   664,812x = 1,449,868 × 1,449,868
4. Step 4: Simplify right side
   664,812x = 2,102,117,217,424
5. Step 5: Solve for x
   x = 2,102,117,217,424/664,812
6. Step 6: Final answer
   x = 3,161,972.43