Finding the Third Proportional to 831,944 and 1,216,716

Step by Step Solution

1. Step 1: Write the proportion equation
   831,944 : 1,216,716 = 1,216,716 : x
2. Step 2: Convert to fraction form
   831,944/1,216,716 = 1,216,716/x
3. Step 3: Cross multiply
   831,944x = 1,216,716 × 1,216,716
4. Step 4: Simplify right side
   831,944x = 1,480,397,824,656
5. Step 5: Solve for x
   x = 1,480,397,824,656/831,944
6. Step 6: Final answer
   x = 1,779,444.08