Finding the Third Proportional to 118,405 and 181,131

Step by Step Solution

1. Step 1: Write the proportion equation
   118,405 : 181,131 = 181,131 : x
2. Step 2: Convert to fraction form
   118,405/181,131 = 181,131/x
3. Step 3: Cross multiply
   118,405x = 181,131 × 181,131
4. Step 4: Simplify right side
   118,405x = 32,808,439,161
5. Step 5: Solve for x
   x = 32,808,439,161/118,405
6. Step 6: Final answer
   x = 277,086.60