Finding the Third Proportional to 4,806,243 and 7,439,486

Step by Step Solution

1. Step 1: Write the proportion equation
   4,806,243 : 7,439,486 = 7,439,486 : x
2. Step 2: Convert to fraction form
   4,806,243/7,439,486 = 7,439,486/x
3. Step 3: Cross multiply
   4,806,243x = 7,439,486 × 7,439,486
4. Step 4: Simplify right side
   4,806,243x = 55,345,951,944,196
5. Step 5: Solve for x
   x = 55,345,951,944,196/4,806,243
6. Step 6: Final answer
   x = 11,515,429.40