Finding the Third Proportional to 1,384,303.50 and 2,166,616.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,303.50 : 2,166,616.69 = 2,166,616.69 : x
2. Step 2: Convert to fraction form
   1,384,303.50/2,166,616.69 = 2,166,616.69/x
3. Step 3: Cross multiply
   1,384,303.50x = 2,166,616.69 × 2,166,616.69
4. Step 4: Simplify right side
   1,384,303.50x = 4,694,227,870,553.47
5. Step 5: Solve for x
   x = 4,694,227,870,553.47/1,384,303.50
6. Step 6: Final answer
   x = 3,391,039.52