Finding the Third Proportional to 118,488.50 and 181,692

Step by Step Solution

1. Step 1: Write the proportion equation
   118,488.50 : 181,692 = 181,692 : x
2. Step 2: Convert to fraction form
   118,488.50/181,692 = 181,692/x
3. Step 3: Cross multiply
   118,488.50x = 181,692 × 181,692
4. Step 4: Simplify right side
   118,488.50x = 33,011,982,864
5. Step 5: Solve for x
   x = 33,011,982,864/118,488.50
6. Step 6: Final answer
   x = 278,609.17