Finding the Third Proportional to 153,806 and 334,540

Step by Step Solution

1. Step 1: Write the proportion equation
   153,806 : 334,540 = 334,540 : x
2. Step 2: Convert to fraction form
   153,806/334,540 = 334,540/x
3. Step 3: Cross multiply
   153,806x = 334,540 × 334,540
4. Step 4: Simplify right side
   153,806x = 111,917,011,600
5. Step 5: Solve for x
   x = 111,917,011,600/153,806
6. Step 6: Final answer
   x = 727,650.49