Finding the Third Proportional to 21,136 and 43,552

Step by Step Solution

1. Step 1: Write the proportion equation
   21,136 : 43,552 = 43,552 : x
2. Step 2: Convert to fraction form
   21,136/43,552 = 43,552/x
3. Step 3: Cross multiply
   21,136x = 43,552 × 43,552
4. Step 4: Simplify right side
   21,136x = 1,896,776,704
5. Step 5: Solve for x
   x = 1,896,776,704/21,136
6. Step 6: Final answer
   x = 89,741.52