Finding the Third Proportional to 1,924.31 and 4,155.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.31 : 4,155.61 = 4,155.61 : x
2. Step 2: Convert to fraction form
   1,924.31/4,155.61 = 4,155.61/x
3. Step 3: Cross multiply
   1,924.31x = 4,155.61 × 4,155.61
4. Step 4: Simplify right side
   1,924.31x = 17,269,089.28
5. Step 5: Solve for x
   x = 17,269,089.28/1,924.31
6. Step 6: Final answer
   x = 8,974.16