Finding the Third Proportional to 16,310 and 35,515

Step by Step Solution

1. Step 1: Write the proportion equation
   16,310 : 35,515 = 35,515 : x
2. Step 2: Convert to fraction form
   16,310/35,515 = 35,515/x
3. Step 3: Cross multiply
   16,310x = 35,515 × 35,515
4. Step 4: Simplify right side
   16,310x = 1,261,315,225
5. Step 5: Solve for x
   x = 1,261,315,225/16,310
6. Step 6: Final answer
   x = 77,333.86