Finding the Third Proportional to 389,767.50 and 841,707

Step by Step Solution

1. Step 1: Write the proportion equation
   389,767.50 : 841,707 = 841,707 : x
2. Step 2: Convert to fraction form
   389,767.50/841,707 = 841,707/x
3. Step 3: Cross multiply
   389,767.50x = 841,707 × 841,707
4. Step 4: Simplify right side
   389,767.50x = 708,470,673,849
5. Step 5: Solve for x
   x = 708,470,673,849/389,767.50
6. Step 6: Final answer
   x = 1,817,675.09