Finding the Third Proportional to 2,155,576 and 2,997,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,576 : 2,997,128 = 2,997,128 : x
2. Step 2: Convert to fraction form
   2,155,576/2,997,128 = 2,997,128/x
3. Step 3: Cross multiply
   2,155,576x = 2,997,128 × 2,997,128
4. Step 4: Simplify right side
   2,155,576x = 8,982,776,248,384
5. Step 5: Solve for x
   x = 8,982,776,248,384/2,155,576
6. Step 6: Final answer
   x = 4,167,227.81