Finding the Third Proportional to 12,615.75 and 30,000.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,615.75 : 30,000.38 = 30,000.38 : x
2. Step 2: Convert to fraction form
   12,615.75/30,000.38 = 30,000.38/x
3. Step 3: Cross multiply
   12,615.75x = 30,000.38 × 30,000.38
4. Step 4: Simplify right side
   12,615.75x = 900,022,500.14
5. Step 5: Solve for x
   x = 900,022,500.14/12,615.75
6. Step 6: Final answer
   x = 71,341.18