Finding the Third Proportional to 4,136,108 and 8,749,144

Step by Step Solution

1. Step 1: Write the proportion equation
   4,136,108 : 8,749,144 = 8,749,144 : x
2. Step 2: Convert to fraction form
   4,136,108/8,749,144 = 8,749,144/x
3. Step 3: Cross multiply
   4,136,108x = 8,749,144 × 8,749,144
4. Step 4: Simplify right side
   4,136,108x = 76,547,520,732,736
5. Step 5: Solve for x
   x = 76,547,520,732,736/4,136,108
6. Step 6: Final answer
   x = 18,507,137.81