Finding the Third Proportional to 964,940 and 2,058,128

Step by Step Solution

1. Step 1: Write the proportion equation
   964,940 : 2,058,128 = 2,058,128 : x
2. Step 2: Convert to fraction form
   964,940/2,058,128 = 2,058,128/x
3. Step 3: Cross multiply
   964,940x = 2,058,128 × 2,058,128
4. Step 4: Simplify right side
   964,940x = 4,235,890,864,384
5. Step 5: Solve for x
   x = 4,235,890,864,384/964,940
6. Step 6: Final answer
   x = 4,389,797.15