Finding the Third Proportional to 117,300.66 and 256,103.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,300.66 : 256,103.96 = 256,103.96 : x
2. Step 2: Convert to fraction form
   117,300.66/256,103.96 = 256,103.96/x
3. Step 3: Cross multiply
   117,300.66x = 256,103.96 × 256,103.96
4. Step 4: Simplify right side
   117,300.66x = 65,589,240,808.69
5. Step 5: Solve for x
   x = 65,589,240,808.69/117,300.66
6. Step 6: Final answer
   x = 559,154.93