Finding the Third Proportional to 693,422 and 1,491,820

Step by Step Solution

1. Step 1: Write the proportion equation
   693,422 : 1,491,820 = 1,491,820 : x
2. Step 2: Convert to fraction form
   693,422/1,491,820 = 1,491,820/x
3. Step 3: Cross multiply
   693,422x = 1,491,820 × 1,491,820
4. Step 4: Simplify right side
   693,422x = 2,225,526,912,400
5. Step 5: Solve for x
   x = 2,225,526,912,400/693,422
6. Step 6: Final answer
   x = 3,209,484.14