Finding the Third Proportional to 15,916.50 and 34,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,916.50 : 34,708.50 = 34,708.50 : x
2. Step 2: Convert to fraction form
   15,916.50/34,708.50 = 34,708.50/x
3. Step 3: Cross multiply
   15,916.50x = 34,708.50 × 34,708.50
4. Step 4: Simplify right side
   15,916.50x = 1,204,679,972.25
5. Step 5: Solve for x
   x = 1,204,679,972.25/15,916.50
6. Step 6: Final answer
   x = 75,687.49