Finding the Third Proportional to 3,543,918 and 5,314,722

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543,918 : 5,314,722 = 5,314,722 : x
2. Step 2: Convert to fraction form
   3,543,918/5,314,722 = 5,314,722/x
3. Step 3: Cross multiply
   3,543,918x = 5,314,722 × 5,314,722
4. Step 4: Simplify right side
   3,543,918x = 28,246,269,937,284
5. Step 5: Solve for x
   x = 28,246,269,937,284/3,543,918
6. Step 6: Final answer
   x = 7,970,350.88