Finding the Third Proportional to 12,433.50 and 30,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,433.50 : 30,658.50 = 30,658.50 : x
2. Step 2: Convert to fraction form
   12,433.50/30,658.50 = 30,658.50/x
3. Step 3: Cross multiply
   12,433.50x = 30,658.50 × 30,658.50
4. Step 4: Simplify right side
   12,433.50x = 939,943,622.25
5. Step 5: Solve for x
   x = 939,943,622.25/12,433.50
6. Step 6: Final answer
   x = 75,597.67