Finding the Third Proportional to 2,561,190 and 5,573,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,190 : 5,573,388 = 5,573,388 : x
2. Step 2: Convert to fraction form
   2,561,190/5,573,388 = 5,573,388/x
3. Step 3: Cross multiply
   2,561,190x = 5,573,388 × 5,573,388
4. Step 4: Simplify right side
   2,561,190x = 31,062,653,798,544
5. Step 5: Solve for x
   x = 31,062,653,798,544/2,561,190
6. Step 6: Final answer
   x = 12,128,211.42