Finding the Third Proportional to 16,520 and 34,414

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520 : 34,414 = 34,414 : x
2. Step 2: Convert to fraction form
   16,520/34,414 = 34,414/x
3. Step 3: Cross multiply
   16,520x = 34,414 × 34,414
4. Step 4: Simplify right side
   16,520x = 1,184,323,396
5. Step 5: Solve for x
   x = 1,184,323,396/16,520
6. Step 6: Final answer
   x = 71,690.28