Finding the Third Proportional to 2,619.38 and 3,929.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.38 : 3,929.06 = 3,929.06 : x
2. Step 2: Convert to fraction form
   2,619.38/3,929.06 = 3,929.06/x
3. Step 3: Cross multiply
   2,619.38x = 3,929.06 × 3,929.06
4. Step 4: Simplify right side
   2,619.38x = 15,437,532.13
5. Step 5: Solve for x
   x = 15,437,532.13/2,619.38
6. Step 6: Final answer
   x = 5,893.59