Finding the Third Proportional to 5,457,454.50 and 8,185,500

Step by Step Solution

1. Step 1: Write the proportion equation
   5,457,454.50 : 8,185,500 = 8,185,500 : x
2. Step 2: Convert to fraction form
   5,457,454.50/8,185,500 = 8,185,500/x
3. Step 3: Cross multiply
   5,457,454.50x = 8,185,500 × 8,185,500
4. Step 4: Simplify right side
   5,457,454.50x = 67,002,410,250,000
5. Step 5: Solve for x
   x = 67,002,410,250,000/5,457,454.50
6. Step 6: Final answer
   x = 12,277,227.46