Finding the Third Proportional to 5,978,164.50 and 8,388,542.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978,164.50 : 8,388,542.25 = 8,388,542.25 : x
2. Step 2: Convert to fraction form
   5,978,164.50/8,388,542.25 = 8,388,542.25/x
3. Step 3: Cross multiply
   5,978,164.50x = 8,388,542.25 × 8,388,542.25
4. Step 4: Simplify right side
   5,978,164.50x = 70,367,641,080,035.06
5. Step 5: Solve for x
   x = 70,367,641,080,035.06/5,978,164.50
6. Step 6: Final answer
   x = 11,770,776.98