Finding the Third Proportional to 5,470,650 and 12,663,564

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,650 : 12,663,564 = 12,663,564 : x
2. Step 2: Convert to fraction form
   5,470,650/12,663,564 = 12,663,564/x
3. Step 3: Cross multiply
   5,470,650x = 12,663,564 × 12,663,564
4. Step 4: Simplify right side
   5,470,650x = 160,365,853,182,096
5. Step 5: Solve for x
   x = 160,365,853,182,096/5,470,650
6. Step 6: Final answer
   x = 29,313,857.25