Finding the Third Proportional to 2,108,860.31 and 4,367,251.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,860.31 : 4,367,251.69 = 4,367,251.69 : x
2. Step 2: Convert to fraction form
   2,108,860.31/4,367,251.69 = 4,367,251.69/x
3. Step 3: Cross multiply
   2,108,860.31x = 4,367,251.69 × 4,367,251.69
4. Step 4: Simplify right side
   2,108,860.31x = 19,072,887,301,971.60
5. Step 5: Solve for x
   x = 19,072,887,301,971.60/2,108,860.31
6. Step 6: Final answer
   x = 9,044,168.16