Finding the Third Proportional to 3,687,378 and 5,531,163

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687,378 : 5,531,163 = 5,531,163 : x
2. Step 2: Convert to fraction form
   3,687,378/5,531,163 = 5,531,163/x
3. Step 3: Cross multiply
   3,687,378x = 5,531,163 × 5,531,163
4. Step 4: Simplify right side
   3,687,378x = 30,593,764,132,569
5. Step 5: Solve for x
   x = 30,593,764,132,569/3,687,378
6. Step 6: Final answer
   x = 8,296,888.50