Finding the Third Proportional to 3,553,128 and 5,306,004

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,128 : 5,306,004 = 5,306,004 : x
2. Step 2: Convert to fraction form
   3,553,128/5,306,004 = 5,306,004/x
3. Step 3: Cross multiply
   3,553,128x = 5,306,004 × 5,306,004
4. Step 4: Simplify right side
   3,553,128x = 28,153,678,448,016
5. Step 5: Solve for x
   x = 28,153,678,448,016/3,553,128
6. Step 6: Final answer
   x = 7,923,631.92