Finding the Third Proportional to 12,961 and 30,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,961 : 30,350.50 = 30,350.50 : x
2. Step 2: Convert to fraction form
   12,961/30,350.50 = 30,350.50/x
3. Step 3: Cross multiply
   12,961x = 30,350.50 × 30,350.50
4. Step 4: Simplify right side
   12,961x = 921,152,850.25
5. Step 5: Solve for x
   x = 921,152,850.25/12,961
6. Step 6: Final answer
   x = 71,071.12