Finding the Third Proportional to 123,126 and 265,896

Step by Step Solution

1. Step 1: Write the proportion equation
   123,126 : 265,896 = 265,896 : x
2. Step 2: Convert to fraction form
   123,126/265,896 = 265,896/x
3. Step 3: Cross multiply
   123,126x = 265,896 × 265,896
4. Step 4: Simplify right side
   123,126x = 70,700,682,816
5. Step 5: Solve for x
   x = 70,700,682,816/123,126
6. Step 6: Final answer
   x = 574,214.08