Finding the Third Proportional to 831,236 and 1,817,992

Step by Step Solution

1. Step 1: Write the proportion equation
   831,236 : 1,817,992 = 1,817,992 : x
2. Step 2: Convert to fraction form
   831,236/1,817,992 = 1,817,992/x
3. Step 3: Cross multiply
   831,236x = 1,817,992 × 1,817,992
4. Step 4: Simplify right side
   831,236x = 3,305,094,912,064
5. Step 5: Solve for x
   x = 3,305,094,912,064/831,236
6. Step 6: Final answer
   x = 3,976,121.00