Finding the Third Proportional to 3,555,688 and 5,648,460

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555,688 : 5,648,460 = 5,648,460 : x
2. Step 2: Convert to fraction form
   3,555,688/5,648,460 = 5,648,460/x
3. Step 3: Cross multiply
   3,555,688x = 5,648,460 × 5,648,460
4. Step 4: Simplify right side
   3,555,688x = 31,905,100,371,600
5. Step 5: Solve for x
   x = 31,905,100,371,600/3,555,688
6. Step 6: Final answer
   x = 8,972,975.24