Finding the Third Proportional to 808,401 and 1,268,140

Step by Step Solution

1. Step 1: Write the proportion equation
   808,401 : 1,268,140 = 1,268,140 : x
2. Step 2: Convert to fraction form
   808,401/1,268,140 = 1,268,140/x
3. Step 3: Cross multiply
   808,401x = 1,268,140 × 1,268,140
4. Step 4: Simplify right side
   808,401x = 1,608,179,059,600
5. Step 5: Solve for x
   x = 1,608,179,059,600/808,401
6. Step 6: Final answer
   x = 1,989,333.34