Finding the Third Proportional to 851,819.63 and 1,821,826.69

Step by Step Solution

1. Step 1: Write the proportion equation
   851,819.63 : 1,821,826.69 = 1,821,826.69 : x
2. Step 2: Convert to fraction form
   851,819.63/1,821,826.69 = 1,821,826.69/x
3. Step 3: Cross multiply
   851,819.63x = 1,821,826.69 × 1,821,826.69
4. Step 4: Simplify right side
   851,819.63x = 3,319,052,479,287.22
5. Step 5: Solve for x
   x = 3,319,052,479,287.22/851,819.63
6. Step 6: Final answer
   x = 3,896,426.41