Finding the Third Proportional to 17,388 and 30,726

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388 : 30,726 = 30,726 : x
2. Step 2: Convert to fraction form
   17,388/30,726 = 30,726/x
3. Step 3: Cross multiply
   17,388x = 30,726 × 30,726
4. Step 4: Simplify right side
   17,388x = 944,087,076
5. Step 5: Solve for x
   x = 944,087,076/17,388
6. Step 6: Final answer
   x = 54,295.32