Finding the Third Proportional to 7,906.99 and 16,905.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,906.99 : 16,905.59 = 16,905.59 : x
2. Step 2: Convert to fraction form
   7,906.99/16,905.59 = 16,905.59/x
3. Step 3: Cross multiply
   7,906.99x = 16,905.59 × 16,905.59
4. Step 4: Simplify right side
   7,906.99x = 285,798,835.89
5. Step 5: Solve for x
   x = 285,798,835.89/7,906.99
6. Step 6: Final answer
   x = 36,145.08