Finding the Third Proportional to 116,497.50 and 254,805

Step by Step Solution

1. Step 1: Write the proportion equation
   116,497.50 : 254,805 = 254,805 : x
2. Step 2: Convert to fraction form
   116,497.50/254,805 = 254,805/x
3. Step 3: Cross multiply
   116,497.50x = 254,805 × 254,805
4. Step 4: Simplify right side
   116,497.50x = 64,925,588,025
5. Step 5: Solve for x
   x = 64,925,588,025/116,497.50
6. Step 6: Final answer
   x = 557,313.14