Finding the Third Proportional to 17,872.59 and 35,296.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872.59 : 35,296.31 = 35,296.31 : x
2. Step 2: Convert to fraction form
   17,872.59/35,296.31 = 35,296.31/x
3. Step 3: Cross multiply
   17,872.59x = 35,296.31 × 35,296.31
4. Step 4: Simplify right side
   17,872.59x = 1,245,829,676.10
5. Step 5: Solve for x
   x = 1,245,829,676.10/17,872.59
6. Step 6: Final answer
   x = 69,706.15