Finding the Third Proportional to 2,102,825.81 and 3,150,739.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,825.81 : 3,150,739.69 = 3,150,739.69 : x
2. Step 2: Convert to fraction form
   2,102,825.81/3,150,739.69 = 3,150,739.69/x
3. Step 3: Cross multiply
   2,102,825.81x = 3,150,739.69 × 3,150,739.69
4. Step 4: Simplify right side
   2,102,825.81x = 9,927,160,578,387.60
5. Step 5: Solve for x
   x = 9,927,160,578,387.60/2,102,825.81
6. Step 6: Final answer
   x = 4,720,866.81