Finding the Third Proportional to 820,000 and 1,801,432

Step by Step Solution

1. Step 1: Write the proportion equation
   820,000 : 1,801,432 = 1,801,432 : x
2. Step 2: Convert to fraction form
   820,000/1,801,432 = 1,801,432/x
3. Step 3: Cross multiply
   820,000x = 1,801,432 × 1,801,432
4. Step 4: Simplify right side
   820,000x = 3,245,157,250,624
5. Step 5: Solve for x
   x = 3,245,157,250,624/820,000
6. Step 6: Final answer
   x = 3,957,508.84