Finding the Third Proportional to 8,840 and 19,300

Step by Step Solution

1. Step 1: Write the proportion equation
   8,840 : 19,300 = 19,300 : x
2. Step 2: Convert to fraction form
   8,840/19,300 = 19,300/x
3. Step 3: Cross multiply
   8,840x = 19,300 × 19,300
4. Step 4: Simplify right side
   8,840x = 372,490,000
5. Step 5: Solve for x
   x = 372,490,000/8,840
6. Step 6: Final answer
   x = 42,136.88