Finding the Third Proportional to 117,703.50 and 257,265

Step by Step Solution

1. Step 1: Write the proportion equation
   117,703.50 : 257,265 = 257,265 : x
2. Step 2: Convert to fraction form
   117,703.50/257,265 = 257,265/x
3. Step 3: Cross multiply
   117,703.50x = 257,265 × 257,265
4. Step 4: Simplify right side
   117,703.50x = 66,185,280,225
5. Step 5: Solve for x
   x = 66,185,280,225/117,703.50
6. Step 6: Final answer
   x = 562,305.12