Finding the Third Proportional to 4,816,886 and 7,907,643

Step by Step Solution

1. Step 1: Write the proportion equation
   4,816,886 : 7,907,643 = 7,907,643 : x
2. Step 2: Convert to fraction form
   4,816,886/7,907,643 = 7,907,643/x
3. Step 3: Cross multiply
   4,816,886x = 7,907,643 × 7,907,643
4. Step 4: Simplify right side
   4,816,886x = 62,530,817,815,449
5. Step 5: Solve for x
   x = 62,530,817,815,449/4,816,886
6. Step 6: Final answer
   x = 12,981,585.58