Finding the Third Proportional to 123,126 and 265,940

Step by Step Solution

1. Step 1: Write the proportion equation
   123,126 : 265,940 = 265,940 : x
2. Step 2: Convert to fraction form
   123,126/265,940 = 265,940/x
3. Step 3: Cross multiply
   123,126x = 265,940 × 265,940
4. Step 4: Simplify right side
   123,126x = 70,724,083,600
5. Step 5: Solve for x
   x = 70,724,083,600/123,126
6. Step 6: Final answer
   x = 574,404.14