Finding the Third Proportional to 1,189,728 and 2,615,652

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,728 : 2,615,652 = 2,615,652 : x
2. Step 2: Convert to fraction form
   1,189,728/2,615,652 = 2,615,652/x
3. Step 3: Cross multiply
   1,189,728x = 2,615,652 × 2,615,652
4. Step 4: Simplify right side
   1,189,728x = 6,841,635,385,104
5. Step 5: Solve for x
   x = 6,841,635,385,104/1,189,728
6. Step 6: Final answer
   x = 5,750,587.85