Finding the Third Proportional to 16,470 and 34,030

Step by Step Solution

1. Step 1: Write the proportion equation
   16,470 : 34,030 = 34,030 : x
2. Step 2: Convert to fraction form
   16,470/34,030 = 34,030/x
3. Step 3: Cross multiply
   16,470x = 34,030 × 34,030
4. Step 4: Simplify right side
   16,470x = 1,158,040,900
5. Step 5: Solve for x
   x = 1,158,040,900/16,470
6. Step 6: Final answer
   x = 70,312.14