Finding the Third Proportional to 2,520,580.50 and 5,531,031

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,580.50 : 5,531,031 = 5,531,031 : x
2. Step 2: Convert to fraction form
   2,520,580.50/5,531,031 = 5,531,031/x
3. Step 3: Cross multiply
   2,520,580.50x = 5,531,031 × 5,531,031
4. Step 4: Simplify right side
   2,520,580.50x = 30,592,303,922,961
5. Step 5: Solve for x
   x = 30,592,303,922,961/2,520,580.50
6. Step 6: Final answer
   x = 12,137,007.30