Finding the Third Proportional to 798,721 and 1,737,378

Step by Step Solution

1. Step 1: Write the proportion equation
   798,721 : 1,737,378 = 1,737,378 : x
2. Step 2: Convert to fraction form
   798,721/1,737,378 = 1,737,378/x
3. Step 3: Cross multiply
   798,721x = 1,737,378 × 1,737,378
4. Step 4: Simplify right side
   798,721x = 3,018,482,314,884
5. Step 5: Solve for x
   x = 3,018,482,314,884/798,721
6. Step 6: Final answer
   x = 3,779,144.80