Finding the Third Proportional to 155,146 and 334,040

Step by Step Solution

1. Step 1: Write the proportion equation
   155,146 : 334,040 = 334,040 : x
2. Step 2: Convert to fraction form
   155,146/334,040 = 334,040/x
3. Step 3: Cross multiply
   155,146x = 334,040 × 334,040
4. Step 4: Simplify right side
   155,146x = 111,582,721,600
5. Step 5: Solve for x
   x = 111,582,721,600/155,146
6. Step 6: Final answer
   x = 719,211.08