Finding the Third Proportional to 116,820.50 and 255,754

Step by Step Solution

1. Step 1: Write the proportion equation
   116,820.50 : 255,754 = 255,754 : x
2. Step 2: Convert to fraction form
   116,820.50/255,754 = 255,754/x
3. Step 3: Cross multiply
   116,820.50x = 255,754 × 255,754
4. Step 4: Simplify right side
   116,820.50x = 65,410,108,516
5. Step 5: Solve for x
   x = 65,410,108,516/116,820.50
6. Step 6: Final answer
   x = 559,919.78