Finding the Third Proportional to 3,805,564 and 5,218,452

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805,564 : 5,218,452 = 5,218,452 : x
2. Step 2: Convert to fraction form
   3,805,564/5,218,452 = 5,218,452/x
3. Step 3: Cross multiply
   3,805,564x = 5,218,452 × 5,218,452
4. Step 4: Simplify right side
   3,805,564x = 27,232,241,276,304
5. Step 5: Solve for x
   x = 27,232,241,276,304/3,805,564
6. Step 6: Final answer
   x = 7,155,901.54