Finding the Third Proportional to 798,680 and 1,737,320

Step by Step Solution

1. Step 1: Write the proportion equation
   798,680 : 1,737,320 = 1,737,320 : x
2. Step 2: Convert to fraction form
   798,680/1,737,320 = 1,737,320/x
3. Step 3: Cross multiply
   798,680x = 1,737,320 × 1,737,320
4. Step 4: Simplify right side
   798,680x = 3,018,280,782,400
5. Step 5: Solve for x
   x = 3,018,280,782,400/798,680
6. Step 6: Final answer
   x = 3,779,086.47