Finding the Third Proportional to 820,372 and 1,241,892

Step by Step Solution

1. Step 1: Write the proportion equation
   820,372 : 1,241,892 = 1,241,892 : x
2. Step 2: Convert to fraction form
   820,372/1,241,892 = 1,241,892/x
3. Step 3: Cross multiply
   820,372x = 1,241,892 × 1,241,892
4. Step 4: Simplify right side
   820,372x = 1,542,295,739,664
5. Step 5: Solve for x
   x = 1,542,295,739,664/820,372
6. Step 6: Final answer
   x = 1,879,995.59