Finding the Third Proportional to 5,574,180 and 8,257,653

Step by Step Solution

1. Step 1: Write the proportion equation
   5,574,180 : 8,257,653 = 8,257,653 : x
2. Step 2: Convert to fraction form
   5,574,180/8,257,653 = 8,257,653/x
3. Step 3: Cross multiply
   5,574,180x = 8,257,653 × 8,257,653
4. Step 4: Simplify right side
   5,574,180x = 68,188,833,068,409
5. Step 5: Solve for x
   x = 68,188,833,068,409/5,574,180
6. Step 6: Final answer
   x = 12,232,980.11