Finding the Third Proportional to 17,510.50 and 38,909

Step by Step Solution

1. Step 1: Write the proportion equation
   17,510.50 : 38,909 = 38,909 : x
2. Step 2: Convert to fraction form
   17,510.50/38,909 = 38,909/x
3. Step 3: Cross multiply
   17,510.50x = 38,909 × 38,909
4. Step 4: Simplify right side
   17,510.50x = 1,513,910,281
5. Step 5: Solve for x
   x = 1,513,910,281/17,510.50
6. Step 6: Final answer
   x = 86,457.28