Finding the Third Proportional to 798,891 and 1,123,695

Step by Step Solution

1. Step 1: Write the proportion equation
   798,891 : 1,123,695 = 1,123,695 : x
2. Step 2: Convert to fraction form
   798,891/1,123,695 = 1,123,695/x
3. Step 3: Cross multiply
   798,891x = 1,123,695 × 1,123,695
4. Step 4: Simplify right side
   798,891x = 1,262,690,453,025
5. Step 5: Solve for x
   x = 1,262,690,453,025/798,891
6. Step 6: Final answer
   x = 1,580,554.11