Finding the Third Proportional to 3,833,128.31 and 8,198,107.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,833,128.31 : 8,198,107.69 = 8,198,107.69 : x
2. Step 2: Convert to fraction form
   3,833,128.31/8,198,107.69 = 8,198,107.69/x
3. Step 3: Cross multiply
   3,833,128.31x = 8,198,107.69 × 8,198,107.69
4. Step 4: Simplify right side
   3,833,128.31x = 67,208,969,655,846.59
5. Step 5: Solve for x
   x = 67,208,969,655,846.59/3,833,128.31
6. Step 6: Final answer
   x = 17,533,712.46