Finding the Third Proportional to 813,996 and 1,245,186

Step by Step Solution

1. Step 1: Write the proportion equation
   813,996 : 1,245,186 = 1,245,186 : x
2. Step 2: Convert to fraction form
   813,996/1,245,186 = 1,245,186/x
3. Step 3: Cross multiply
   813,996x = 1,245,186 × 1,245,186
4. Step 4: Simplify right side
   813,996x = 1,550,488,174,596
5. Step 5: Solve for x
   x = 1,550,488,174,596/813,996
6. Step 6: Final answer
   x = 1,904,785.99