Finding the Third Proportional to 118,130 and 181,570

Step by Step Solution

1. Step 1: Write the proportion equation
   118,130 : 181,570 = 181,570 : x
2. Step 2: Convert to fraction form
   118,130/181,570 = 181,570/x
3. Step 3: Cross multiply
   118,130x = 181,570 × 181,570
4. Step 4: Simplify right side
   118,130x = 32,967,664,900
5. Step 5: Solve for x
   x = 32,967,664,900/118,130
6. Step 6: Final answer
   x = 279,079.53