Finding the Third Proportional to 3,553,768 and 5,197,371

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,768 : 5,197,371 = 5,197,371 : x
2. Step 2: Convert to fraction form
   3,553,768/5,197,371 = 5,197,371/x
3. Step 3: Cross multiply
   3,553,768x = 5,197,371 × 5,197,371
4. Step 4: Simplify right side
   3,553,768x = 27,012,665,311,641
5. Step 5: Solve for x
   x = 27,012,665,311,641/3,553,768
6. Step 6: Final answer
   x = 7,601,133.59