Finding the Third Proportional to 353,102 and 540,250

Step by Step Solution

1. Step 1: Write the proportion equation
   353,102 : 540,250 = 540,250 : x
2. Step 2: Convert to fraction form
   353,102/540,250 = 540,250/x
3. Step 3: Cross multiply
   353,102x = 540,250 × 540,250
4. Step 4: Simplify right side
   353,102x = 291,870,062,500
5. Step 5: Solve for x
   x = 291,870,062,500/353,102
6. Step 6: Final answer
   x = 826,588.53