Finding the Third Proportional to 806,576 and 1,238,063

Step by Step Solution

1. Step 1: Write the proportion equation
   806,576 : 1,238,063 = 1,238,063 : x
2. Step 2: Convert to fraction form
   806,576/1,238,063 = 1,238,063/x
3. Step 3: Cross multiply
   806,576x = 1,238,063 × 1,238,063
4. Step 4: Simplify right side
   806,576x = 1,532,799,991,969
5. Step 5: Solve for x
   x = 1,532,799,991,969/806,576
6. Step 6: Final answer
   x = 1,900,378.88