Finding the Third Proportional to 38,703 and 57,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,703 : 57,910.50 = 57,910.50 : x
2. Step 2: Convert to fraction form
   38,703/57,910.50 = 57,910.50/x
3. Step 3: Cross multiply
   38,703x = 57,910.50 × 57,910.50
4. Step 4: Simplify right side
   38,703x = 3,353,626,010.25
5. Step 5: Solve for x
   x = 3,353,626,010.25/38,703
6. Step 6: Final answer
   x = 86,650.29