Finding the Third Proportional to 831,171 and 1,817,862

Step by Step Solution

1. Step 1: Write the proportion equation
   831,171 : 1,817,862 = 1,817,862 : x
2. Step 2: Convert to fraction form
   831,171/1,817,862 = 1,817,862/x
3. Step 3: Cross multiply
   831,171x = 1,817,862 × 1,817,862
4. Step 4: Simplify right side
   831,171x = 3,304,622,251,044
5. Step 5: Solve for x
   x = 3,304,622,251,044/831,171
6. Step 6: Final answer
   x = 3,975,863.27