Finding the Third Proportional to 783,290 and 1,715,836

Step by Step Solution

1. Step 1: Write the proportion equation
   783,290 : 1,715,836 = 1,715,836 : x
2. Step 2: Convert to fraction form
   783,290/1,715,836 = 1,715,836/x
3. Step 3: Cross multiply
   783,290x = 1,715,836 × 1,715,836
4. Step 4: Simplify right side
   783,290x = 2,944,093,178,896
5. Step 5: Solve for x
   x = 2,944,093,178,896/783,290
6. Step 6: Final answer
   x = 3,758,624.75