Finding the Third Proportional to 798,114 and 1,205,456

Step by Step Solution

1. Step 1: Write the proportion equation
   798,114 : 1,205,456 = 1,205,456 : x
2. Step 2: Convert to fraction form
   798,114/1,205,456 = 1,205,456/x
3. Step 3: Cross multiply
   798,114x = 1,205,456 × 1,205,456
4. Step 4: Simplify right side
   798,114x = 1,453,124,167,936
5. Step 5: Solve for x
   x = 1,453,124,167,936/798,114
6. Step 6: Final answer
   x = 1,820,697.50