Finding the Third Proportional to 7,690.50 and 18,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,690.50 : 18,200.25 = 18,200.25 : x
2. Step 2: Convert to fraction form
   7,690.50/18,200.25 = 18,200.25/x
3. Step 3: Cross multiply
   7,690.50x = 18,200.25 × 18,200.25
4. Step 4: Simplify right side
   7,690.50x = 331,249,100.06
5. Step 5: Solve for x
   x = 331,249,100.06/7,690.50
6. Step 6: Final answer
   x = 43,072.51