Finding the Third Proportional to 2,668,981.50 and 5,527,218.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668,981.50 : 5,527,218.75 = 5,527,218.75 : x
2. Step 2: Convert to fraction form
   2,668,981.50/5,527,218.75 = 5,527,218.75/x
3. Step 3: Cross multiply
   2,668,981.50x = 5,527,218.75 × 5,527,218.75
4. Step 4: Simplify right side
   2,668,981.50x = 30,550,147,110,351.56
5. Step 5: Solve for x
   x = 30,550,147,110,351.56/2,668,981.50
6. Step 6: Final answer
   x = 11,446,369.00