Finding the Third Proportional to 838,266 and 1,715,268

Step by Step Solution

1. Step 1: Write the proportion equation
   838,266 : 1,715,268 = 1,715,268 : x
2. Step 2: Convert to fraction form
   838,266/1,715,268 = 1,715,268/x
3. Step 3: Cross multiply
   838,266x = 1,715,268 × 1,715,268
4. Step 4: Simplify right side
   838,266x = 2,942,144,311,824
5. Step 5: Solve for x
   x = 2,942,144,311,824/838,266
6. Step 6: Final answer
   x = 3,509,797.98