Finding the Third Proportional to 2,012,128 and 3,140,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012,128 : 3,140,664 = 3,140,664 : x
2. Step 2: Convert to fraction form
   2,012,128/3,140,664 = 3,140,664/x
3. Step 3: Cross multiply
   2,012,128x = 3,140,664 × 3,140,664
4. Step 4: Simplify right side
   2,012,128x = 9,863,770,360,896
5. Step 5: Solve for x
   x = 9,863,770,360,896/2,012,128
6. Step 6: Final answer
   x = 4,902,158.49