Finding the Third Proportional to 7,639.31 and 17,830.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,639.31 : 17,830.13 = 17,830.13 : x
2. Step 2: Convert to fraction form
   7,639.31/17,830.13 = 17,830.13/x
3. Step 3: Cross multiply
   7,639.31x = 17,830.13 × 17,830.13
4. Step 4: Simplify right side
   7,639.31x = 317,913,357.52
5. Step 5: Solve for x
   x = 317,913,357.52/7,639.31
6. Step 6: Final answer
   x = 41,615.44