Finding the Third Proportional to 2,017.50 and 3,136.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.50 : 3,136.88 = 3,136.88 : x
2. Step 2: Convert to fraction form
   2,017.50/3,136.88 = 3,136.88/x
3. Step 3: Cross multiply
   2,017.50x = 3,136.88 × 3,136.88
4. Step 4: Simplify right side
   2,017.50x = 9,839,984.77
5. Step 5: Solve for x
   x = 9,839,984.77/2,017.50
6. Step 6: Final answer
   x = 4,877.32