Finding the Third Proportional to 3,129 and 7,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,129 : 7,300.50 = 7,300.50 : x
2. Step 2: Convert to fraction form
   3,129/7,300.50 = 7,300.50/x
3. Step 3: Cross multiply
   3,129x = 7,300.50 × 7,300.50
4. Step 4: Simplify right side
   3,129x = 53,297,300.25
5. Step 5: Solve for x
   x = 53,297,300.25/3,129
6. Step 6: Final answer
   x = 17,033.33