Finding the Third Proportional to 5,494,932 and 8,405,586

Step by Step Solution

1. Step 1: Write the proportion equation
   5,494,932 : 8,405,586 = 8,405,586 : x
2. Step 2: Convert to fraction form
   5,494,932/8,405,586 = 8,405,586/x
3. Step 3: Cross multiply
   5,494,932x = 8,405,586 × 8,405,586
4. Step 4: Simplify right side
   5,494,932x = 70,653,876,003,396
5. Step 5: Solve for x
   x = 70,653,876,003,396/5,494,932
6. Step 6: Final answer
   x = 12,858,007.34