Finding the Third Proportional to 846,473 and 1,809,421

Step by Step Solution

1. Step 1: Write the proportion equation
   846,473 : 1,809,421 = 1,809,421 : x
2. Step 2: Convert to fraction form
   846,473/1,809,421 = 1,809,421/x
3. Step 3: Cross multiply
   846,473x = 1,809,421 × 1,809,421
4. Step 4: Simplify right side
   846,473x = 3,274,004,355,241
5. Step 5: Solve for x
   x = 3,274,004,355,241/846,473
6. Step 6: Final answer
   x = 3,867,819.00