Finding the Third Proportional to 1,288,236 and 1,703,313

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,236 : 1,703,313 = 1,703,313 : x
2. Step 2: Convert to fraction form
   1,288,236/1,703,313 = 1,703,313/x
3. Step 3: Cross multiply
   1,288,236x = 1,703,313 × 1,703,313
4. Step 4: Simplify right side
   1,288,236x = 2,901,275,175,969
5. Step 5: Solve for x
   x = 2,901,275,175,969/1,288,236
6. Step 6: Final answer
   x = 2,252,130.18