Finding the Third Proportional to 118,120 and 187,836

Step by Step Solution

1. Step 1: Write the proportion equation
   118,120 : 187,836 = 187,836 : x
2. Step 2: Convert to fraction form
   118,120/187,836 = 187,836/x
3. Step 3: Cross multiply
   118,120x = 187,836 × 187,836
4. Step 4: Simplify right side
   118,120x = 35,282,362,896
5. Step 5: Solve for x
   x = 35,282,362,896/118,120
6. Step 6: Final answer
   x = 298,699.31