Finding the Third Proportional to 118,228.50 and 177,372

Step by Step Solution

1. Step 1: Write the proportion equation
   118,228.50 : 177,372 = 177,372 : x
2. Step 2: Convert to fraction form
   118,228.50/177,372 = 177,372/x
3. Step 3: Cross multiply
   118,228.50x = 177,372 × 177,372
4. Step 4: Simplify right side
   118,228.50x = 31,460,826,384
5. Step 5: Solve for x
   x = 31,460,826,384/118,228.50
6. Step 6: Final answer
   x = 266,101.88