Finding the Third Proportional to 181,812 and 388,896

Step by Step Solution

1. Step 1: Write the proportion equation
   181,812 : 388,896 = 388,896 : x
2. Step 2: Convert to fraction form
   181,812/388,896 = 388,896/x
3. Step 3: Cross multiply
   181,812x = 388,896 × 388,896
4. Step 4: Simplify right side
   181,812x = 151,240,098,816
5. Step 5: Solve for x
   x = 151,240,098,816/181,812
6. Step 6: Final answer
   x = 831,848.83