Finding the Third Proportional to 17,709.75 and 34,962.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,709.75 : 34,962.75 = 34,962.75 : x
2. Step 2: Convert to fraction form
   17,709.75/34,962.75 = 34,962.75/x
3. Step 3: Cross multiply
   17,709.75x = 34,962.75 × 34,962.75
4. Step 4: Simplify right side
   17,709.75x = 1,222,393,887.56
5. Step 5: Solve for x
   x = 1,222,393,887.56/17,709.75
6. Step 6: Final answer
   x = 69,023.78