Finding the Third Proportional to 395,320 and 846,404

Step by Step Solution

1. Step 1: Write the proportion equation
   395,320 : 846,404 = 846,404 : x
2. Step 2: Convert to fraction form
   395,320/846,404 = 846,404/x
3. Step 3: Cross multiply
   395,320x = 846,404 × 846,404
4. Step 4: Simplify right side
   395,320x = 716,399,731,216
5. Step 5: Solve for x
   x = 716,399,731,216/395,320
6. Step 6: Final answer
   x = 1,812,202.09