Finding the Third Proportional to 8,243,136 and 17,858,410

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243,136 : 17,858,410 = 17,858,410 : x
2. Step 2: Convert to fraction form
   8,243,136/17,858,410 = 17,858,410/x
3. Step 3: Cross multiply
   8,243,136x = 17,858,410 × 17,858,410
4. Step 4: Simplify right side
   8,243,136x = 318,922,807,728,100
5. Step 5: Solve for x
   x = 318,922,807,728,100/8,243,136
6. Step 6: Final answer
   x = 38,689,499.69