Finding the Third Proportional to 3,858,104.67 and 5,642,323.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858,104.67 : 5,642,323.31 = 5,642,323.31 : x
2. Step 2: Convert to fraction form
   3,858,104.67/5,642,323.31 = 5,642,323.31/x
3. Step 3: Cross multiply
   3,858,104.67x = 5,642,323.31 × 5,642,323.31
4. Step 4: Simplify right side
   3,858,104.67x = 31,835,812,362,780.97
5. Step 5: Solve for x
   x = 31,835,812,362,780.97/3,858,104.67
6. Step 6: Final answer
   x = 8,251,671.50