Finding the Third Proportional to 109,040 and 159,970

Step by Step Solution

1. Step 1: Write the proportion equation
   109,040 : 159,970 = 159,970 : x
2. Step 2: Convert to fraction form
   109,040/159,970 = 159,970/x
3. Step 3: Cross multiply
   109,040x = 159,970 × 159,970
4. Step 4: Simplify right side
   109,040x = 25,590,400,900
5. Step 5: Solve for x
   x = 25,590,400,900/109,040
6. Step 6: Final answer
   x = 234,688.20