Finding the Third Proportional to 17,880.61 and 26,273.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,880.61 : 26,273.53 = 26,273.53 : x
2. Step 2: Convert to fraction form
   17,880.61/26,273.53 = 26,273.53/x
3. Step 3: Cross multiply
   17,880.61x = 26,273.53 × 26,273.53
4. Step 4: Simplify right side
   17,880.61x = 690,298,444.34
5. Step 5: Solve for x
   x = 690,298,444.34/17,880.61
6. Step 6: Final answer
   x = 38,605.98