Finding the Third Proportional to 3,477,280 and 7,332,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477,280 : 7,332,128 = 7,332,128 : x
2. Step 2: Convert to fraction form
   3,477,280/7,332,128 = 7,332,128/x
3. Step 3: Cross multiply
   3,477,280x = 7,332,128 × 7,332,128
4. Step 4: Simplify right side
   3,477,280x = 53,760,101,008,384
5. Step 5: Solve for x
   x = 53,760,101,008,384/3,477,280
6. Step 6: Final answer
   x = 15,460,388.87