Finding the Third Proportional to 155,450 and 334,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,450 : 334,683.50 = 334,683.50 : x
2. Step 2: Convert to fraction form
   155,450/334,683.50 = 334,683.50/x
3. Step 3: Cross multiply
   155,450x = 334,683.50 × 334,683.50
4. Step 4: Simplify right side
   155,450x = 112,013,045,172.25
5. Step 5: Solve for x
   x = 112,013,045,172.25/155,450
6. Step 6: Final answer
   x = 720,572.82