Finding the Third Proportional to 2,497,188 and 5,373,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,497,188 : 5,373,128 = 5,373,128 : x
2. Step 2: Convert to fraction form
   2,497,188/5,373,128 = 5,373,128/x
3. Step 3: Cross multiply
   2,497,188x = 5,373,128 × 5,373,128
4. Step 4: Simplify right side
   2,497,188x = 28,870,504,504,384
5. Step 5: Solve for x
   x = 28,870,504,504,384/2,497,188
6. Step 6: Final answer
   x = 11,561,205.85