Finding the Third Proportional to 19,136 and 40,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,136 : 40,588.50 = 40,588.50 : x
2. Step 2: Convert to fraction form
   19,136/40,588.50 = 40,588.50/x
3. Step 3: Cross multiply
   19,136x = 40,588.50 × 40,588.50
4. Step 4: Simplify right side
   19,136x = 1,647,426,332.25
5. Step 5: Solve for x
   x = 1,647,426,332.25/19,136
6. Step 6: Final answer
   x = 86,090.42