Finding the Third Proportional to 663,012 and 1,430,856

Step by Step Solution

1. Step 1: Write the proportion equation
   663,012 : 1,430,856 = 1,430,856 : x
2. Step 2: Convert to fraction form
   663,012/1,430,856 = 1,430,856/x
3. Step 3: Cross multiply
   663,012x = 1,430,856 × 1,430,856
4. Step 4: Simplify right side
   663,012x = 2,047,348,892,736
5. Step 5: Solve for x
   x = 2,047,348,892,736/663,012
6. Step 6: Final answer
   x = 3,087,951.49