Finding the Third Proportional to 997,390 and 2,194,040

Step by Step Solution

1. Step 1: Write the proportion equation
   997,390 : 2,194,040 = 2,194,040 : x
2. Step 2: Convert to fraction form
   997,390/2,194,040 = 2,194,040/x
3. Step 3: Cross multiply
   997,390x = 2,194,040 × 2,194,040
4. Step 4: Simplify right side
   997,390x = 4,813,811,521,600
5. Step 5: Solve for x
   x = 4,813,811,521,600/997,390
6. Step 6: Final answer
   x = 4,826,408.45