Finding the Third Proportional to 2,870,186.91 and 4,135,510.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,186.91 : 4,135,510.69 = 4,135,510.69 : x
2. Step 2: Convert to fraction form
   2,870,186.91/4,135,510.69 = 4,135,510.69/x
3. Step 3: Cross multiply
   2,870,186.91x = 4,135,510.69 × 4,135,510.69
4. Step 4: Simplify right side
   2,870,186.91x = 17,102,448,646,426.72
5. Step 5: Solve for x
   x = 17,102,448,646,426.72/2,870,186.91
6. Step 6: Final answer
   x = 5,958,653.29