Finding the Third Proportional to 3,993,139.50 and 5,987,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993,139.50 : 5,987,756.25 = 5,987,756.25 : x
2. Step 2: Convert to fraction form
   3,993,139.50/5,987,756.25 = 5,987,756.25/x
3. Step 3: Cross multiply
   3,993,139.50x = 5,987,756.25 × 5,987,756.25
4. Step 4: Simplify right side
   3,993,139.50x = 35,853,224,909,414.06
5. Step 5: Solve for x
   x = 35,853,224,909,414.06/3,993,139.50
6. Step 6: Final answer
   x = 8,978,705.83