Finding the Third Proportional to 2,838,128 and 4,174,032

Step by Step Solution

1. Step 1: Write the proportion equation
   2,838,128 : 4,174,032 = 4,174,032 : x
2. Step 2: Convert to fraction form
   2,838,128/4,174,032 = 4,174,032/x
3. Step 3: Cross multiply
   2,838,128x = 4,174,032 × 4,174,032
4. Step 4: Simplify right side
   2,838,128x = 17,422,543,137,024
5. Step 5: Solve for x
   x = 17,422,543,137,024/2,838,128
6. Step 6: Final answer
   x = 6,138,744.67