Finding the Third Proportional to 21,136 and 45,548

Step by Step Solution

1. Step 1: Write the proportion equation
   21,136 : 45,548 = 45,548 : x
2. Step 2: Convert to fraction form
   21,136/45,548 = 45,548/x
3. Step 3: Cross multiply
   21,136x = 45,548 × 45,548
4. Step 4: Simplify right side
   21,136x = 2,074,620,304
5. Step 5: Solve for x
   x = 2,074,620,304/21,136
6. Step 6: Final answer
   x = 98,155.77