Finding the Third Proportional to 846,391 and 1,825,643

Step by Step Solution

1. Step 1: Write the proportion equation
   846,391 : 1,825,643 = 1,825,643 : x
2. Step 2: Convert to fraction form
   846,391/1,825,643 = 1,825,643/x
3. Step 3: Cross multiply
   846,391x = 1,825,643 × 1,825,643
4. Step 4: Simplify right side
   846,391x = 3,332,972,363,449
5. Step 5: Solve for x
   x = 3,332,972,363,449/846,391
6. Step 6: Final answer
   x = 3,937,863.66