Finding the Third Proportional to 3,208,572 and 4,813,479

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208,572 : 4,813,479 = 4,813,479 : x
2. Step 2: Convert to fraction form
   3,208,572/4,813,479 = 4,813,479/x
3. Step 3: Cross multiply
   3,208,572x = 4,813,479 × 4,813,479
4. Step 4: Simplify right side
   3,208,572x = 23,169,580,083,441
5. Step 5: Solve for x
   x = 23,169,580,083,441/3,208,572
6. Step 6: Final answer
   x = 7,221,150.12