Finding the Third Proportional to 38,300 and 57,488

Step by Step Solution

1. Step 1: Write the proportion equation
   38,300 : 57,488 = 57,488 : x
2. Step 2: Convert to fraction form
   38,300/57,488 = 57,488/x
3. Step 3: Cross multiply
   38,300x = 57,488 × 57,488
4. Step 4: Simplify right side
   38,300x = 3,304,870,144
5. Step 5: Solve for x
   x = 3,304,870,144/38,300
6. Step 6: Final answer
   x = 86,289.04