Finding the Third Proportional to 3,555,696 and 5,648,472

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555,696 : 5,648,472 = 5,648,472 : x
2. Step 2: Convert to fraction form
   3,555,696/5,648,472 = 5,648,472/x
3. Step 3: Cross multiply
   3,555,696x = 5,648,472 × 5,648,472
4. Step 4: Simplify right side
   3,555,696x = 31,905,235,934,784
5. Step 5: Solve for x
   x = 31,905,235,934,784/3,555,696
6. Step 6: Final answer
   x = 8,972,993.17