Finding the Third Proportional to 38,308 and 57,508

Step by Step Solution

1. Step 1: Write the proportion equation
   38,308 : 57,508 = 57,508 : x
2. Step 2: Convert to fraction form
   38,308/57,508 = 57,508/x
3. Step 3: Cross multiply
   38,308x = 57,508 × 57,508
4. Step 4: Simplify right side
   38,308x = 3,307,170,064
5. Step 5: Solve for x
   x = 3,307,170,064/38,308
6. Step 6: Final answer
   x = 86,331.06