Finding the Third Proportional to 783,288 and 1,715,832

Step by Step Solution

1. Step 1: Write the proportion equation
   783,288 : 1,715,832 = 1,715,832 : x
2. Step 2: Convert to fraction form
   783,288/1,715,832 = 1,715,832/x
3. Step 3: Cross multiply
   783,288x = 1,715,832 × 1,715,832
4. Step 4: Simplify right side
   783,288x = 2,944,079,452,224
5. Step 5: Solve for x
   x = 2,944,079,452,224/783,288
6. Step 6: Final answer
   x = 3,758,616.82