Finding the Third Proportional to 17,178.75 and 35,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,178.75 : 35,791.50 = 35,791.50 : x
2. Step 2: Convert to fraction form
   17,178.75/35,791.50 = 35,791.50/x
3. Step 3: Cross multiply
   17,178.75x = 35,791.50 × 35,791.50
4. Step 4: Simplify right side
   17,178.75x = 1,281,031,472.25
5. Step 5: Solve for x
   x = 1,281,031,472.25/17,178.75
6. Step 6: Final answer
   x = 74,570.70