Finding the Third Proportional to 1,715 and 3,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715 : 3,551.50 = 3,551.50 : x
2. Step 2: Convert to fraction form
   1,715/3,551.50 = 3,551.50/x
3. Step 3: Cross multiply
   1,715x = 3,551.50 × 3,551.50
4. Step 4: Simplify right side
   1,715x = 12,613,152.25
5. Step 5: Solve for x
   x = 12,613,152.25/1,715
6. Step 6: Final answer
   x = 7,354.61