Finding the Third Proportional to 3,558,928 and 5,515,350

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,928 : 5,515,350 = 5,515,350 : x
2. Step 2: Convert to fraction form
   3,558,928/5,515,350 = 5,515,350/x
3. Step 3: Cross multiply
   3,558,928x = 5,515,350 × 5,515,350
4. Step 4: Simplify right side
   3,558,928x = 30,419,085,622,500
5. Step 5: Solve for x
   x = 30,419,085,622,500/3,558,928
6. Step 6: Final answer
   x = 8,547,260.75