Finding the Third Proportional to 693,418 and 1,491,812

Step by Step Solution

1. Step 1: Write the proportion equation
   693,418 : 1,491,812 = 1,491,812 : x
2. Step 2: Convert to fraction form
   693,418/1,491,812 = 1,491,812/x
3. Step 3: Cross multiply
   693,418x = 1,491,812 × 1,491,812
4. Step 4: Simplify right side
   693,418x = 2,225,503,043,344
5. Step 5: Solve for x
   x = 2,225,503,043,344/693,418
6. Step 6: Final answer
   x = 3,209,468.23