Finding the Third Proportional to 122,086.75 and 253,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,086.75 : 253,530.50 = 253,530.50 : x
2. Step 2: Convert to fraction form
   122,086.75/253,530.50 = 253,530.50/x
3. Step 3: Cross multiply
   122,086.75x = 253,530.50 × 253,530.50
4. Step 4: Simplify right side
   122,086.75x = 64,277,714,430.25
5. Step 5: Solve for x
   x = 64,277,714,430.25/122,086.75
6. Step 6: Final answer
   x = 526,492.14