Finding the Third Proportional to 59,166.50 and 128,701

Step by Step Solution

1. Step 1: Write the proportion equation
   59,166.50 : 128,701 = 128,701 : x
2. Step 2: Convert to fraction form
   59,166.50/128,701 = 128,701/x
3. Step 3: Cross multiply
   59,166.50x = 128,701 × 128,701
4. Step 4: Simplify right side
   59,166.50x = 16,563,947,401
5. Step 5: Solve for x
   x = 16,563,947,401/59,166.50
6. Step 6: Final answer
   x = 279,954.83