Finding the Third Proportional to 806,122 and 1,218,256

Step by Step Solution

1. Step 1: Write the proportion equation
   806,122 : 1,218,256 = 1,218,256 : x
2. Step 2: Convert to fraction form
   806,122/1,218,256 = 1,218,256/x
3. Step 3: Cross multiply
   806,122x = 1,218,256 × 1,218,256
4. Step 4: Simplify right side
   806,122x = 1,484,147,681,536
5. Step 5: Solve for x
   x = 1,484,147,681,536/806,122
6. Step 6: Final answer
   x = 1,841,095.62