Finding the Third Proportional to 109,020 and 159,940

Step by Step Solution

1. Step 1: Write the proportion equation
   109,020 : 159,940 = 159,940 : x
2. Step 2: Convert to fraction form
   109,020/159,940 = 159,940/x
3. Step 3: Cross multiply
   109,020x = 159,940 × 159,940
4. Step 4: Simplify right side
   109,020x = 25,580,803,600
5. Step 5: Solve for x
   x = 25,580,803,600/109,020
6. Step 6: Final answer
   x = 234,643.22