Finding the Third Proportional to 3,553,774 and 5,197,378

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,774 : 5,197,378 = 5,197,378 : x
2. Step 2: Convert to fraction form
   3,553,774/5,197,378 = 5,197,378/x
3. Step 3: Cross multiply
   3,553,774x = 5,197,378 × 5,197,378
4. Step 4: Simplify right side
   3,553,774x = 27,012,738,074,884
5. Step 5: Solve for x
   x = 27,012,738,074,884/3,553,774
6. Step 6: Final answer
   x = 7,601,141.23