Finding the Third Proportional to 3,551,256 and 5,564,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551,256 : 5,564,880 = 5,564,880 : x
2. Step 2: Convert to fraction form
   3,551,256/5,564,880 = 5,564,880/x
3. Step 3: Cross multiply
   3,551,256x = 5,564,880 × 5,564,880
4. Step 4: Simplify right side
   3,551,256x = 30,967,889,414,400
5. Step 5: Solve for x
   x = 30,967,889,414,400/3,551,256
6. Step 6: Final answer
   x = 8,720,263.88