Finding the Third Proportional to 2,070 and 4,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070 : 4,382.72 = 4,382.72 : x
2. Step 2: Convert to fraction form
   2,070/4,382.72 = 4,382.72/x
3. Step 3: Cross multiply
   2,070x = 4,382.72 × 4,382.72
4. Step 4: Simplify right side
   2,070x = 19,208,223.64
5. Step 5: Solve for x
   x = 19,208,223.64/2,070
6. Step 6: Final answer
   x = 9,279.34