Finding the Third Proportional to 3,913,938 and 5,511,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,938 : 5,511,672 = 5,511,672 : x
2. Step 2: Convert to fraction form
   3,913,938/5,511,672 = 5,511,672/x
3. Step 3: Cross multiply
   3,913,938x = 5,511,672 × 5,511,672
4. Step 4: Simplify right side
   3,913,938x = 30,378,528,235,584
5. Step 5: Solve for x
   x = 30,378,528,235,584/3,913,938
6. Step 6: Final answer
   x = 7,761,627.35