Finding the Third Proportional to 831,174 and 1,817,868

Step by Step Solution

1. Step 1: Write the proportion equation
   831,174 : 1,817,868 = 1,817,868 : x
2. Step 2: Convert to fraction form
   831,174/1,817,868 = 1,817,868/x
3. Step 3: Cross multiply
   831,174x = 1,817,868 × 1,817,868
4. Step 4: Simplify right side
   831,174x = 3,304,644,065,424
5. Step 5: Solve for x
   x = 3,304,644,065,424/831,174
6. Step 6: Final answer
   x = 3,975,875.17