Finding the Third Proportional to 659,922 and 1,438,320

Step by Step Solution

1. Step 1: Write the proportion equation
   659,922 : 1,438,320 = 1,438,320 : x
2. Step 2: Convert to fraction form
   659,922/1,438,320 = 1,438,320/x
3. Step 3: Cross multiply
   659,922x = 1,438,320 × 1,438,320
4. Step 4: Simplify right side
   659,922x = 2,068,764,422,400
5. Step 5: Solve for x
   x = 2,068,764,422,400/659,922
6. Step 6: Final answer
   x = 3,134,862.03