Finding the Third Proportional to 120,753 and 265,410

Step by Step Solution

1. Step 1: Write the proportion equation
   120,753 : 265,410 = 265,410 : x
2. Step 2: Convert to fraction form
   120,753/265,410 = 265,410/x
3. Step 3: Cross multiply
   120,753x = 265,410 × 265,410
4. Step 4: Simplify right side
   120,753x = 70,442,468,100
5. Step 5: Solve for x
   x = 70,442,468,100/120,753
6. Step 6: Final answer
   x = 583,359.98