Finding the Third Proportional to 1,005,170 and 2,187,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,170 : 2,187,628 = 2,187,628 : x
2. Step 2: Convert to fraction form
   1,005,170/2,187,628 = 2,187,628/x
3. Step 3: Cross multiply
   1,005,170x = 2,187,628 × 2,187,628
4. Step 4: Simplify right side
   1,005,170x = 4,785,716,266,384
5. Step 5: Solve for x
   x = 4,785,716,266,384/1,005,170
6. Step 6: Final answer
   x = 4,761,101.37