Finding the Third Proportional to 874,804 and 1,117,806

Step by Step Solution

1. Step 1: Write the proportion equation
   874,804 : 1,117,806 = 1,117,806 : x
2. Step 2: Convert to fraction form
   874,804/1,117,806 = 1,117,806/x
3. Step 3: Cross multiply
   874,804x = 1,117,806 × 1,117,806
4. Step 4: Simplify right side
   874,804x = 1,249,490,253,636
5. Step 5: Solve for x
   x = 1,249,490,253,636/874,804
6. Step 6: Final answer
   x = 1,428,308.80