Finding the Third Proportional to 179,940.75 and 384,789

Step by Step Solution

1. Step 1: Write the proportion equation
   179,940.75 : 384,789 = 384,789 : x
2. Step 2: Convert to fraction form
   179,940.75/384,789 = 384,789/x
3. Step 3: Cross multiply
   179,940.75x = 384,789 × 384,789
4. Step 4: Simplify right side
   179,940.75x = 148,062,574,521
5. Step 5: Solve for x
   x = 148,062,574,521/179,940.75
6. Step 6: Final answer
   x = 822,840.71