Finding the Third Proportional to 387,450 and 836,064

Step by Step Solution

1. Step 1: Write the proportion equation
   387,450 : 836,064 = 836,064 : x
2. Step 2: Convert to fraction form
   387,450/836,064 = 836,064/x
3. Step 3: Cross multiply
   387,450x = 836,064 × 836,064
4. Step 4: Simplify right side
   387,450x = 699,003,012,096
5. Step 5: Solve for x
   x = 699,003,012,096/387,450
6. Step 6: Final answer
   x = 1,804,111.53