Finding the Third Proportional to 19,474 and 30,515

Step by Step Solution

1. Step 1: Write the proportion equation
   19,474 : 30,515 = 30,515 : x
2. Step 2: Convert to fraction form
   19,474/30,515 = 30,515/x
3. Step 3: Cross multiply
   19,474x = 30,515 × 30,515
4. Step 4: Simplify right side
   19,474x = 931,165,225
5. Step 5: Solve for x
   x = 931,165,225/19,474
6. Step 6: Final answer
   x = 47,815.82