Finding the Third Proportional to 7,900 and 16,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,900 : 16,994.50 = 16,994.50 : x
2. Step 2: Convert to fraction form
   7,900/16,994.50 = 16,994.50/x
3. Step 3: Cross multiply
   7,900x = 16,994.50 × 16,994.50
4. Step 4: Simplify right side
   7,900x = 288,813,030.25
5. Step 5: Solve for x
   x = 288,813,030.25/7,900
6. Step 6: Final answer
   x = 36,558.61