Finding the Third Proportional to 181,258.50 and 388,770

Step by Step Solution

1. Step 1: Write the proportion equation
   181,258.50 : 388,770 = 388,770 : x
2. Step 2: Convert to fraction form
   181,258.50/388,770 = 388,770/x
3. Step 3: Cross multiply
   181,258.50x = 388,770 × 388,770
4. Step 4: Simplify right side
   181,258.50x = 151,142,112,900
5. Step 5: Solve for x
   x = 151,142,112,900/181,258.50
6. Step 6: Final answer
   x = 833,848.41