Finding the Third Proportional to 10,806,826.50 and 16,715,238

Step by Step Solution

1. Step 1: Write the proportion equation
   10,806,826.50 : 16,715,238 = 16,715,238 : x
2. Step 2: Convert to fraction form
   10,806,826.50/16,715,238 = 16,715,238/x
3. Step 3: Cross multiply
   10,806,826.50x = 16,715,238 × 16,715,238
4. Step 4: Simplify right side
   10,806,826.50x = 279,399,181,396,644
5. Step 5: Solve for x
   x = 279,399,181,396,644/10,806,826.50
6. Step 6: Final answer
   x = 25,853,952.72