Finding the Third Proportional to 2,607 and 7,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607 : 7,039.50 = 7,039.50 : x
2. Step 2: Convert to fraction form
   2,607/7,039.50 = 7,039.50/x
3. Step 3: Cross multiply
   2,607x = 7,039.50 × 7,039.50
4. Step 4: Simplify right side
   2,607x = 49,554,560.25
5. Step 5: Solve for x
   x = 49,554,560.25/2,607
6. Step 6: Final answer
   x = 19,008.27