Finding the Third Proportional to 816,192 and 1,268,064

Step by Step Solution

1. Step 1: Write the proportion equation
   816,192 : 1,268,064 = 1,268,064 : x
2. Step 2: Convert to fraction form
   816,192/1,268,064 = 1,268,064/x
3. Step 3: Cross multiply
   816,192x = 1,268,064 × 1,268,064
4. Step 4: Simplify right side
   816,192x = 1,607,986,308,096
5. Step 5: Solve for x
   x = 1,607,986,308,096/816,192
6. Step 6: Final answer
   x = 1,970,107.90