Finding the Third Proportional to 17,217.56 and 35,164.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,217.56 : 35,164.13 = 35,164.13 : x
2. Step 2: Convert to fraction form
   17,217.56/35,164.13 = 35,164.13/x
3. Step 3: Cross multiply
   17,217.56x = 35,164.13 × 35,164.13
4. Step 4: Simplify right side
   17,217.56x = 1,236,515,687.02
5. Step 5: Solve for x
   x = 1,236,515,687.02/17,217.56
6. Step 6: Final answer
   x = 71,817.12