Finding the Third Proportional to 1,201,720 and 1,690,314

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,720 : 1,690,314 = 1,690,314 : x
2. Step 2: Convert to fraction form
   1,201,720/1,690,314 = 1,690,314/x
3. Step 3: Cross multiply
   1,201,720x = 1,690,314 × 1,690,314
4. Step 4: Simplify right side
   1,201,720x = 2,857,161,418,596
5. Step 5: Solve for x
   x = 2,857,161,418,596/1,201,720
6. Step 6: Final answer
   x = 2,377,560.01