Finding the Third Proportional to 820,894 and 1,228,038

Step by Step Solution

1. Step 1: Write the proportion equation
   820,894 : 1,228,038 = 1,228,038 : x
2. Step 2: Convert to fraction form
   820,894/1,228,038 = 1,228,038/x
3. Step 3: Cross multiply
   820,894x = 1,228,038 × 1,228,038
4. Step 4: Simplify right side
   820,894x = 1,508,077,329,444
5. Step 5: Solve for x
   x = 1,508,077,329,444/820,894
6. Step 6: Final answer
   x = 1,837,115.79