Finding the Third Proportional to 2,520,886 and 5,531,580

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,886 : 5,531,580 = 5,531,580 : x
2. Step 2: Convert to fraction form
   2,520,886/5,531,580 = 5,531,580/x
3. Step 3: Cross multiply
   2,520,886x = 5,531,580 × 5,531,580
4. Step 4: Simplify right side
   2,520,886x = 30,598,377,296,400
5. Step 5: Solve for x
   x = 30,598,377,296,400/2,520,886
6. Step 6: Final answer
   x = 12,137,945.67