Finding the Third Proportional to 3,664,061 and 7,831,286

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,061 : 7,831,286 = 7,831,286 : x
2. Step 2: Convert to fraction form
   3,664,061/7,831,286 = 7,831,286/x
3. Step 3: Cross multiply
   3,664,061x = 7,831,286 × 7,831,286
4. Step 4: Simplify right side
   3,664,061x = 61,329,040,413,796
5. Step 5: Solve for x
   x = 61,329,040,413,796/3,664,061
6. Step 6: Final answer
   x = 16,737,996.56