Finding the Third Proportional to 155,205 and 331,034

Step by Step Solution

1. Step 1: Write the proportion equation
   155,205 : 331,034 = 331,034 : x
2. Step 2: Convert to fraction form
   155,205/331,034 = 331,034/x
3. Step 3: Cross multiply
   155,205x = 331,034 × 331,034
4. Step 4: Simplify right side
   155,205x = 109,583,509,156
5. Step 5: Solve for x
   x = 109,583,509,156/155,205
6. Step 6: Final answer
   x = 706,056.56