Finding the Third Proportional to 3,664,034 and 7,831,231

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,034 : 7,831,231 = 7,831,231 : x
2. Step 2: Convert to fraction form
   3,664,034/7,831,231 = 7,831,231/x
3. Step 3: Cross multiply
   3,664,034x = 7,831,231 × 7,831,231
4. Step 4: Simplify right side
   3,664,034x = 61,328,178,975,361
5. Step 5: Solve for x
   x = 61,328,178,975,361/3,664,034
6. Step 6: Final answer
   x = 16,737,884.79