Finding the Third Proportional to 89,632 and 187,896

Step by Step Solution

1. Step 1: Write the proportion equation
   89,632 : 187,896 = 187,896 : x
2. Step 2: Convert to fraction form
   89,632/187,896 = 187,896/x
3. Step 3: Cross multiply
   89,632x = 187,896 × 187,896
4. Step 4: Simplify right side
   89,632x = 35,304,906,816
5. Step 5: Solve for x
   x = 35,304,906,816/89,632
6. Step 6: Final answer
   x = 393,887.30