Finding the Third Proportional to 3,527,784 and 7,479,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,527,784 : 7,479,470 = 7,479,470 : x
2. Step 2: Convert to fraction form
   3,527,784/7,479,470 = 7,479,470/x
3. Step 3: Cross multiply
   3,527,784x = 7,479,470 × 7,479,470
4. Step 4: Simplify right side
   3,527,784x = 55,942,471,480,900
5. Step 5: Solve for x
   x = 55,942,471,480,900/3,527,784
6. Step 6: Final answer
   x = 15,857,680.48