Finding the Third Proportional to 380,230.50 and 814,434

Step by Step Solution

1. Step 1: Write the proportion equation
   380,230.50 : 814,434 = 814,434 : x
2. Step 2: Convert to fraction form
   380,230.50/814,434 = 814,434/x
3. Step 3: Cross multiply
   380,230.50x = 814,434 × 814,434
4. Step 4: Simplify right side
   380,230.50x = 663,302,740,356
5. Step 5: Solve for x
   x = 663,302,740,356/380,230.50
6. Step 6: Final answer
   x = 1,744,475.37