Finding the Third Proportional to 112,606 and 240,940

Step by Step Solution

1. Step 1: Write the proportion equation
   112,606 : 240,940 = 240,940 : x
2. Step 2: Convert to fraction form
   112,606/240,940 = 240,940/x
3. Step 3: Cross multiply
   112,606x = 240,940 × 240,940
4. Step 4: Simplify right side
   112,606x = 58,052,083,600
5. Step 5: Solve for x
   x = 58,052,083,600/112,606
6. Step 6: Final answer
   x = 515,532.77