Finding the Third Proportional to 158,859 and 340,749

Step by Step Solution

1. Step 1: Write the proportion equation
   158,859 : 340,749 = 340,749 : x
2. Step 2: Convert to fraction form
   158,859/340,749 = 340,749/x
3. Step 3: Cross multiply
   158,859x = 340,749 × 340,749
4. Step 4: Simplify right side
   158,859x = 116,109,881,001
5. Step 5: Solve for x
   x = 116,109,881,001/158,859
6. Step 6: Final answer
   x = 730,898.98