Finding the Third Proportional to 663,414 and 1,430,508

Step by Step Solution

1. Step 1: Write the proportion equation
   663,414 : 1,430,508 = 1,430,508 : x
2. Step 2: Convert to fraction form
   663,414/1,430,508 = 1,430,508/x
3. Step 3: Cross multiply
   663,414x = 1,430,508 × 1,430,508
4. Step 4: Simplify right side
   663,414x = 2,046,353,138,064
5. Step 5: Solve for x
   x = 2,046,353,138,064/663,414
6. Step 6: Final answer
   x = 3,084,579.37