Finding the Third Proportional to 1,499,689.69 and 3,284,167.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,689.69 : 3,284,167.78 = 3,284,167.78 : x
2. Step 2: Convert to fraction form
   1,499,689.69/3,284,167.78 = 3,284,167.78/x
3. Step 3: Cross multiply
   1,499,689.69x = 3,284,167.78 × 3,284,167.78
4. Step 4: Simplify right side
   1,499,689.69x = 10,785,758,015,400.55
5. Step 5: Solve for x
   x = 10,785,758,015,400.55/1,499,689.69
6. Step 6: Final answer
   x = 7,191,993.19