Finding the Third Proportional to 13,905 and 30,591

Step by Step Solution

1. Step 1: Write the proportion equation
   13,905 : 30,591 = 30,591 : x
2. Step 2: Convert to fraction form
   13,905/30,591 = 30,591/x
3. Step 3: Cross multiply
   13,905x = 30,591 × 30,591
4. Step 4: Simplify right side
   13,905x = 935,809,281
5. Step 5: Solve for x
   x = 935,809,281/13,905
6. Step 6: Final answer
   x = 67,300.20