Finding the Third Proportional to 117,786 and 168,228.75

Step by Step Solution

1. Step 1: Write the proportion equation
   117,786 : 168,228.75 = 168,228.75 : x
2. Step 2: Convert to fraction form
   117,786/168,228.75 = 168,228.75/x
3. Step 3: Cross multiply
   117,786x = 168,228.75 × 168,228.75
4. Step 4: Simplify right side
   117,786x = 28,300,912,326.56
5. Step 5: Solve for x
   x = 28,300,912,326.56/117,786
6. Step 6: Final answer
   x = 240,273.99