Finding the Third Proportional to 1,780,617 and 3,831,231

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,617 : 3,831,231 = 3,831,231 : x
2. Step 2: Convert to fraction form
   1,780,617/3,831,231 = 3,831,231/x
3. Step 3: Cross multiply
   1,780,617x = 3,831,231 × 3,831,231
4. Step 4: Simplify right side
   1,780,617x = 14,678,330,975,361
5. Step 5: Solve for x
   x = 14,678,330,975,361/1,780,617
6. Step 6: Final answer
   x = 8,243,395.96