Finding the Third Proportional to 3,555,692 and 5,648,466

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555,692 : 5,648,466 = 5,648,466 : x
2. Step 2: Convert to fraction form
   3,555,692/5,648,466 = 5,648,466/x
3. Step 3: Cross multiply
   3,555,692x = 5,648,466 × 5,648,466
4. Step 4: Simplify right side
   3,555,692x = 31,905,168,153,156
5. Step 5: Solve for x
   x = 31,905,168,153,156/3,555,692
6. Step 6: Final answer
   x = 8,972,984.20