Finding the Third Proportional to 1,241,842 and 1,821,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241,842 : 1,821,876 = 1,821,876 : x
2. Step 2: Convert to fraction form
   1,241,842/1,821,876 = 1,821,876/x
3. Step 3: Cross multiply
   1,241,842x = 1,821,876 × 1,821,876
4. Step 4: Simplify right side
   1,241,842x = 3,319,232,159,376
5. Step 5: Solve for x
   x = 3,319,232,159,376/1,241,842
6. Step 6: Final answer
   x = 2,672,829.68