Finding the Third Proportional to 380,781 and 836,300.25

Step by Step Solution

1. Step 1: Write the proportion equation
   380,781 : 836,300.25 = 836,300.25 : x
2. Step 2: Convert to fraction form
   380,781/836,300.25 = 836,300.25/x
3. Step 3: Cross multiply
   380,781x = 836,300.25 × 836,300.25
4. Step 4: Simplify right side
   380,781x = 699,398,108,150.06
5. Step 5: Solve for x
   x = 699,398,108,150.06/380,781
6. Step 6: Final answer
   x = 1,836,746.34