Finding the Third Proportional to 73,703 and 173,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,703 : 173,256.50 = 173,256.50 : x
2. Step 2: Convert to fraction form
   73,703/173,256.50 = 173,256.50/x
3. Step 3: Cross multiply
   73,703x = 173,256.50 × 173,256.50
4. Step 4: Simplify right side
   73,703x = 30,017,814,792.25
5. Step 5: Solve for x
   x = 30,017,814,792.25/73,703
6. Step 6: Final answer
   x = 407,280.77