Finding the Third Proportional to 2,520,509 and 5,530,906

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,509 : 5,530,906 = 5,530,906 : x
2. Step 2: Convert to fraction form
   2,520,509/5,530,906 = 5,530,906/x
3. Step 3: Cross multiply
   2,520,509x = 5,530,906 × 5,530,906
4. Step 4: Simplify right side
   2,520,509x = 30,590,921,180,836
5. Step 5: Solve for x
   x = 30,590,921,180,836/2,520,509
6. Step 6: Final answer
   x = 12,136,803.00