Finding the Third Proportional to 2,515,970 and 5,265,220

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,970 : 5,265,220 = 5,265,220 : x
2. Step 2: Convert to fraction form
   2,515,970/5,265,220 = 5,265,220/x
3. Step 3: Cross multiply
   2,515,970x = 5,265,220 × 5,265,220
4. Step 4: Simplify right side
   2,515,970x = 27,722,541,648,400
5. Step 5: Solve for x
   x = 27,722,541,648,400/2,515,970
6. Step 6: Final answer
   x = 11,018,629.65