Finding the Third Proportional to 387,096 and 836,468

Step by Step Solution

1. Step 1: Write the proportion equation
   387,096 : 836,468 = 836,468 : x
2. Step 2: Convert to fraction form
   387,096/836,468 = 836,468/x
3. Step 3: Cross multiply
   387,096x = 836,468 × 836,468
4. Step 4: Simplify right side
   387,096x = 699,678,715,024
5. Step 5: Solve for x
   x = 699,678,715,024/387,096
6. Step 6: Final answer
   x = 1,807,506.96