Finding the Third Proportional to 16,320 and 33,606

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320 : 33,606 = 33,606 : x
2. Step 2: Convert to fraction form
   16,320/33,606 = 33,606/x
3. Step 3: Cross multiply
   16,320x = 33,606 × 33,606
4. Step 4: Simplify right side
   16,320x = 1,129,363,236
5. Step 5: Solve for x
   x = 1,129,363,236/16,320
6. Step 6: Final answer
   x = 69,201.18