Finding the Third Proportional to 16,656 and 35,520

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656 : 35,520 = 35,520 : x
2. Step 2: Convert to fraction form
   16,656/35,520 = 35,520/x
3. Step 3: Cross multiply
   16,656x = 35,520 × 35,520
4. Step 4: Simplify right side
   16,656x = 1,261,670,400
5. Step 5: Solve for x
   x = 1,261,670,400/16,656
6. Step 6: Final answer
   x = 75,748.70