Finding the Third Proportional to 663,685 and 1,447,922

Step by Step Solution

1. Step 1: Write the proportion equation
   663,685 : 1,447,922 = 1,447,922 : x
2. Step 2: Convert to fraction form
   663,685/1,447,922 = 1,447,922/x
3. Step 3: Cross multiply
   663,685x = 1,447,922 × 1,447,922
4. Step 4: Simplify right side
   663,685x = 2,096,478,118,084
5. Step 5: Solve for x
   x = 2,096,478,118,084/663,685
6. Step 6: Final answer
   x = 3,158,845.11