Finding the Third Proportional to 5,586,951 and 8,542,872

Step by Step Solution

1. Step 1: Write the proportion equation
   5,586,951 : 8,542,872 = 8,542,872 : x
2. Step 2: Convert to fraction form
   5,586,951/8,542,872 = 8,542,872/x
3. Step 3: Cross multiply
   5,586,951x = 8,542,872 × 8,542,872
4. Step 4: Simplify right side
   5,586,951x = 72,980,662,008,384
5. Step 5: Solve for x
   x = 72,980,662,008,384/5,586,951
6. Step 6: Final answer
   x = 13,062,699.50