Finding the Third Proportional to 12,961.13 and 30,350.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,961.13 : 30,350.81 = 30,350.81 : x
2. Step 2: Convert to fraction form
   12,961.13/30,350.81 = 30,350.81/x
3. Step 3: Cross multiply
   12,961.13x = 30,350.81 × 30,350.81
4. Step 4: Simplify right side
   12,961.13x = 921,171,819.41
5. Step 5: Solve for x
   x = 921,171,819.41/12,961.13
6. Step 6: Final answer
   x = 71,071.90