Finding the Third Proportional to 7,139,144.25 and 10,876,021.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,144.25 : 10,876,021.88 = 10,876,021.88 : x
2. Step 2: Convert to fraction form
   7,139,144.25/10,876,021.88 = 10,876,021.88/x
3. Step 3: Cross multiply
   7,139,144.25x = 10,876,021.88 × 10,876,021.88
4. Step 4: Simplify right side
   7,139,144.25x = 118,287,851,825,478.52
5. Step 5: Solve for x
   x = 118,287,851,825,478.52/7,139,144.25
6. Step 6: Final answer
   x = 16,568,911.86