Finding the Third Proportional to 7,750.69 and 18,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,750.69 : 18,250.31 = 18,250.31 : x
2. Step 2: Convert to fraction form
   7,750.69/18,250.31 = 18,250.31/x
3. Step 3: Cross multiply
   7,750.69x = 18,250.31 × 18,250.31
4. Step 4: Simplify right side
   7,750.69x = 333,073,906.35
5. Step 5: Solve for x
   x = 333,073,906.35/7,750.69
6. Step 6: Final answer
   x = 42,973.47