Finding the Third Proportional to 123,317 and 265,350

Step by Step Solution

1. Step 1: Write the proportion equation
   123,317 : 265,350 = 265,350 : x
2. Step 2: Convert to fraction form
   123,317/265,350 = 265,350/x
3. Step 3: Cross multiply
   123,317x = 265,350 × 265,350
4. Step 4: Simplify right side
   123,317x = 70,410,622,500
5. Step 5: Solve for x
   x = 70,410,622,500/123,317
6. Step 6: Final answer
   x = 570,972.55