Finding the Third Proportional to 380,815.50 and 836,364

Step by Step Solution

1. Step 1: Write the proportion equation
   380,815.50 : 836,364 = 836,364 : x
2. Step 2: Convert to fraction form
   380,815.50/836,364 = 836,364/x
3. Step 3: Cross multiply
   380,815.50x = 836,364 × 836,364
4. Step 4: Simplify right side
   380,815.50x = 699,504,740,496
5. Step 5: Solve for x
   x = 699,504,740,496/380,815.50
6. Step 6: Final answer
   x = 1,836,859.95