Finding the Third Proportional to 156,796 and 340,970

Step by Step Solution

1. Step 1: Write the proportion equation
   156,796 : 340,970 = 340,970 : x
2. Step 2: Convert to fraction form
   156,796/340,970 = 340,970/x
3. Step 3: Cross multiply
   156,796x = 340,970 × 340,970
4. Step 4: Simplify right side
   156,796x = 116,260,540,900
5. Step 5: Solve for x
   x = 116,260,540,900/156,796
6. Step 6: Final answer
   x = 741,476.45