Finding the Third Proportional to 17,307 and 34,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,307 : 34,969.50 = 34,969.50 : x
2. Step 2: Convert to fraction form
   17,307/34,969.50 = 34,969.50/x
3. Step 3: Cross multiply
   17,307x = 34,969.50 × 34,969.50
4. Step 4: Simplify right side
   17,307x = 1,222,865,930.25
5. Step 5: Solve for x
   x = 1,222,865,930.25/17,307
6. Step 6: Final answer
   x = 70,657.30