Finding the Third Proportional to 5,574,174 and 8,257,644

Step by Step Solution

1. Step 1: Write the proportion equation
   5,574,174 : 8,257,644 = 8,257,644 : x
2. Step 2: Convert to fraction form
   5,574,174/8,257,644 = 8,257,644/x
3. Step 3: Cross multiply
   5,574,174x = 8,257,644 × 8,257,644
4. Step 4: Simplify right side
   5,574,174x = 68,188,684,430,736
5. Step 5: Solve for x
   x = 68,188,684,430,736/5,574,174
6. Step 6: Final answer
   x = 12,232,966.61