Finding the Third Proportional to 1,927.34 and 4,128.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.34 : 4,128.05 = 4,128.05 : x
2. Step 2: Convert to fraction form
   1,927.34/4,128.05 = 4,128.05/x
3. Step 3: Cross multiply
   1,927.34x = 4,128.05 × 4,128.05
4. Step 4: Simplify right side
   1,927.34x = 17,040,771.00
5. Step 5: Solve for x
   x = 17,040,771.00/1,927.34
6. Step 6: Final answer
   x = 8,841.62