Finding the Third Proportional to 2,558,939 and 5,472,154

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,939 : 5,472,154 = 5,472,154 : x
2. Step 2: Convert to fraction form
   2,558,939/5,472,154 = 5,472,154/x
3. Step 3: Cross multiply
   2,558,939x = 5,472,154 × 5,472,154
4. Step 4: Simplify right side
   2,558,939x = 29,944,469,399,716
5. Step 5: Solve for x
   x = 29,944,469,399,716/2,558,939
6. Step 6: Final answer
   x = 11,701,908.25