Finding the Third Proportional to 831,402 and 1,787,118

Step by Step Solution

1. Step 1: Write the proportion equation
   831,402 : 1,787,118 = 1,787,118 : x
2. Step 2: Convert to fraction form
   831,402/1,787,118 = 1,787,118/x
3. Step 3: Cross multiply
   831,402x = 1,787,118 × 1,787,118
4. Step 4: Simplify right side
   831,402x = 3,193,790,745,924
5. Step 5: Solve for x
   x = 3,193,790,745,924/831,402
6. Step 6: Final answer
   x = 3,841,451.84