Finding the Third Proportional to 5,185,292.50 and 7,469,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185,292.50 : 7,469,616.50 = 7,469,616.50 : x
2. Step 2: Convert to fraction form
   5,185,292.50/7,469,616.50 = 7,469,616.50/x
3. Step 3: Cross multiply
   5,185,292.50x = 7,469,616.50 × 7,469,616.50
4. Step 4: Simplify right side
   5,185,292.50x = 55,795,170,657,072.25
5. Step 5: Solve for x
   x = 55,795,170,657,072.25/5,185,292.50
6. Step 6: Final answer
   x = 10,760,274.50