Finding the Third Proportional to 2,921.06 and 7,079.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.06 : 7,079.91 = 7,079.91 : x
2. Step 2: Convert to fraction form
   2,921.06/7,079.91 = 7,079.91/x
3. Step 3: Cross multiply
   2,921.06x = 7,079.91 × 7,079.91
4. Step 4: Simplify right side
   2,921.06x = 50,125,072.51
5. Step 5: Solve for x
   x = 50,125,072.51/2,921.06
6. Step 6: Final answer
   x = 17,159.88