Finding the Third Proportional to 7,817.77 and 16,869.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,817.77 : 16,869.52 = 16,869.52 : x
2. Step 2: Convert to fraction form
   7,817.77/16,869.52 = 16,869.52/x
3. Step 3: Cross multiply
   7,817.77x = 16,869.52 × 16,869.52
4. Step 4: Simplify right side
   7,817.77x = 284,580,557.42
5. Step 5: Solve for x
   x = 284,580,557.42/7,817.77
6. Step 6: Final answer
   x = 36,401.78