Finding the Third Proportional to 2,520,144 and 5,530,174.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,144 : 5,530,174.50 = 5,530,174.50 : x
2. Step 2: Convert to fraction form
   2,520,144/5,530,174.50 = 5,530,174.50/x
3. Step 3: Cross multiply
   2,520,144x = 5,530,174.50 × 5,530,174.50
4. Step 4: Simplify right side
   2,520,144x = 30,582,830,000,450.25
5. Step 5: Solve for x
   x = 30,582,830,000,450.25/2,520,144
6. Step 6: Final answer
   x = 12,135,350.20