Finding the Third Proportional to 380,976.75 and 814,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   380,976.75 : 814,441.50 = 814,441.50 : x
2. Step 2: Convert to fraction form
   380,976.75/814,441.50 = 814,441.50/x
3. Step 3: Cross multiply
   380,976.75x = 814,441.50 × 814,441.50
4. Step 4: Simplify right side
   380,976.75x = 663,314,956,922.25
5. Step 5: Solve for x
   x = 663,314,956,922.25/380,976.75
6. Step 6: Final answer
   x = 1,741,090.39