Finding the Third Proportional to 1,588,962 and 2,431,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588,962 : 2,431,128 = 2,431,128 : x
2. Step 2: Convert to fraction form
   1,588,962/2,431,128 = 2,431,128/x
3. Step 3: Cross multiply
   1,588,962x = 2,431,128 × 2,431,128
4. Step 4: Simplify right side
   1,588,962x = 5,910,383,352,384
5. Step 5: Solve for x
   x = 5,910,383,352,384/1,588,962
6. Step 6: Final answer
   x = 3,719,650.53