Finding the Third Proportional to 2,005,578 and 3,106,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,578 : 3,106,831.50 = 3,106,831.50 : x
2. Step 2: Convert to fraction form
   2,005,578/3,106,831.50 = 3,106,831.50/x
3. Step 3: Cross multiply
   2,005,578x = 3,106,831.50 × 3,106,831.50
4. Step 4: Simplify right side
   2,005,578x = 9,652,401,969,392.25
5. Step 5: Solve for x
   x = 9,652,401,969,392.25/2,005,578
6. Step 6: Final answer
   x = 4,812,778.15