Finding the Third Proportional to 6,428,596.50 and 13,389,741

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428,596.50 : 13,389,741 = 13,389,741 : x
2. Step 2: Convert to fraction form
   6,428,596.50/13,389,741 = 13,389,741/x
3. Step 3: Cross multiply
   6,428,596.50x = 13,389,741 × 13,389,741
4. Step 4: Simplify right side
   6,428,596.50x = 179,285,164,047,081
5. Step 5: Solve for x
   x = 179,285,164,047,081/6,428,596.50
6. Step 6: Final answer
   x = 27,888,694.53