Finding the Third Proportional to 17,680.22 and 38,128.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.22 : 38,128.22 = 38,128.22 : x
2. Step 2: Convert to fraction form
   17,680.22/38,128.22 = 38,128.22/x
3. Step 3: Cross multiply
   17,680.22x = 38,128.22 × 38,128.22
4. Step 4: Simplify right side
   17,680.22x = 1,453,761,065.05
5. Step 5: Solve for x
   x = 1,453,761,065.05/17,680.22
6. Step 6: Final answer
   x = 82,225.29