Finding the Third Proportional to 255,188 and 536,499

Step by Step Solution

1. Step 1: Write the proportion equation
   255,188 : 536,499 = 536,499 : x
2. Step 2: Convert to fraction form
   255,188/536,499 = 536,499/x
3. Step 3: Cross multiply
   255,188x = 536,499 × 536,499
4. Step 4: Simplify right side
   255,188x = 287,831,177,001
5. Step 5: Solve for x
   x = 287,831,177,001/255,188
6. Step 6: Final answer
   x = 1,127,918.15