Finding the Third Proportional to 3,663,724 and 7,831,651

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,724 : 7,831,651 = 7,831,651 : x
2. Step 2: Convert to fraction form
   3,663,724/7,831,651 = 7,831,651/x
3. Step 3: Cross multiply
   3,663,724x = 7,831,651 × 7,831,651
4. Step 4: Simplify right side
   3,663,724x = 61,334,757,385,801
5. Step 5: Solve for x
   x = 61,334,757,385,801/3,663,724
6. Step 6: Final answer
   x = 16,741,096.60