Finding the Third Proportional to 3,208,810 and 4,813,908

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208,810 : 4,813,908 = 4,813,908 : x
2. Step 2: Convert to fraction form
   3,208,810/4,813,908 = 4,813,908/x
3. Step 3: Cross multiply
   3,208,810x = 4,813,908 × 4,813,908
4. Step 4: Simplify right side
   3,208,810x = 23,173,710,232,464
5. Step 5: Solve for x
   x = 23,173,710,232,464/3,208,810
6. Step 6: Final answer
   x = 7,221,901.65