Finding the Third Proportional to 813,896 and 1,245,036

Step by Step Solution

1. Step 1: Write the proportion equation
   813,896 : 1,245,036 = 1,245,036 : x
2. Step 2: Convert to fraction form
   813,896/1,245,036 = 1,245,036/x
3. Step 3: Cross multiply
   813,896x = 1,245,036 × 1,245,036
4. Step 4: Simplify right side
   813,896x = 1,550,114,641,296
5. Step 5: Solve for x
   x = 1,550,114,641,296/813,896
6. Step 6: Final answer
   x = 1,904,561.08