Finding the Third Proportional to 118,273.50 and 255,501

Step by Step Solution

1. Step 1: Write the proportion equation
   118,273.50 : 255,501 = 255,501 : x
2. Step 2: Convert to fraction form
   118,273.50/255,501 = 255,501/x
3. Step 3: Cross multiply
   118,273.50x = 255,501 × 255,501
4. Step 4: Simplify right side
   118,273.50x = 65,280,761,001
5. Step 5: Solve for x
   x = 65,280,761,001/118,273.50
6. Step 6: Final answer
   x = 551,947.49