Finding the Third Proportional to 17,280.50 and 37,909

Step by Step Solution

1. Step 1: Write the proportion equation
   17,280.50 : 37,909 = 37,909 : x
2. Step 2: Convert to fraction form
   17,280.50/37,909 = 37,909/x
3. Step 3: Cross multiply
   17,280.50x = 37,909 × 37,909
4. Step 4: Simplify right side
   17,280.50x = 1,437,092,281
5. Step 5: Solve for x
   x = 1,437,092,281/17,280.50
6. Step 6: Final answer
   x = 83,162.66