Finding the Third Proportional to 798,105 and 1,205,442

Step by Step Solution

1. Step 1: Write the proportion equation
   798,105 : 1,205,442 = 1,205,442 : x
2. Step 2: Convert to fraction form
   798,105/1,205,442 = 1,205,442/x
3. Step 3: Cross multiply
   798,105x = 1,205,442 × 1,205,442
4. Step 4: Simplify right side
   798,105x = 1,453,090,415,364
5. Step 5: Solve for x
   x = 1,453,090,415,364/798,105
6. Step 6: Final answer
   x = 1,820,675.74