Finding the Third Proportional to 20,136 and 42,955

Step by Step Solution

1. Step 1: Write the proportion equation
   20,136 : 42,955 = 42,955 : x
2. Step 2: Convert to fraction form
   20,136/42,955 = 42,955/x
3. Step 3: Cross multiply
   20,136x = 42,955 × 42,955
4. Step 4: Simplify right side
   20,136x = 1,845,132,025
5. Step 5: Solve for x
   x = 1,845,132,025/20,136
6. Step 6: Final answer
   x = 91,633.49