Finding the Third Proportional to 118,243.50 and 177,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,243.50 : 177,484.50 = 177,484.50 : x
2. Step 2: Convert to fraction form
   118,243.50/177,484.50 = 177,484.50/x
3. Step 3: Cross multiply
   118,243.50x = 177,484.50 × 177,484.50
4. Step 4: Simplify right side
   118,243.50x = 31,500,747,740.25
5. Step 5: Solve for x
   x = 31,500,747,740.25/118,243.50
6. Step 6: Final answer
   x = 266,405.75