Finding the Third Proportional to 19,136.25 and 42,270.61

Step by Step Solution

1. Step 1: Write the proportion equation
   19,136.25 : 42,270.61 = 42,270.61 : x
2. Step 2: Convert to fraction form
   19,136.25/42,270.61 = 42,270.61/x
3. Step 3: Cross multiply
   19,136.25x = 42,270.61 × 42,270.61
4. Step 4: Simplify right side
   19,136.25x = 1,786,804,416.93
5. Step 5: Solve for x
   x = 1,786,804,416.93/19,136.25
6. Step 6: Final answer
   x = 93,372.76