Finding the Third Proportional to 14,661 and 30,780

Step by Step Solution

1. Step 1: Write the proportion equation
   14,661 : 30,780 = 30,780 : x
2. Step 2: Convert to fraction form
   14,661/30,780 = 30,780/x
3. Step 3: Cross multiply
   14,661x = 30,780 × 30,780
4. Step 4: Simplify right side
   14,661x = 947,408,400
5. Step 5: Solve for x
   x = 947,408,400/14,661
6. Step 6: Final answer
   x = 64,620.99