Finding the Third Proportional to 380,569.50 and 836,469

Step by Step Solution

1. Step 1: Write the proportion equation
   380,569.50 : 836,469 = 836,469 : x
2. Step 2: Convert to fraction form
   380,569.50/836,469 = 836,469/x
3. Step 3: Cross multiply
   380,569.50x = 836,469 × 836,469
4. Step 4: Simplify right side
   380,569.50x = 699,680,387,961
5. Step 5: Solve for x
   x = 699,680,387,961/380,569.50
6. Step 6: Final answer
   x = 1,838,508.83