Finding the Third Proportional to 656,064 and 1,420,944

Step by Step Solution

1. Step 1: Write the proportion equation
   656,064 : 1,420,944 = 1,420,944 : x
2. Step 2: Convert to fraction form
   656,064/1,420,944 = 1,420,944/x
3. Step 3: Cross multiply
   656,064x = 1,420,944 × 1,420,944
4. Step 4: Simplify right side
   656,064x = 2,019,081,851,136
5. Step 5: Solve for x
   x = 2,019,081,851,136/656,064
6. Step 6: Final answer
   x = 3,077,568.42