Finding the Third Proportional to 173,120.50 and 265,934

Step by Step Solution

1. Step 1: Write the proportion equation
   173,120.50 : 265,934 = 265,934 : x
2. Step 2: Convert to fraction form
   173,120.50/265,934 = 265,934/x
3. Step 3: Cross multiply
   173,120.50x = 265,934 × 265,934
4. Step 4: Simplify right side
   173,120.50x = 70,720,892,356
5. Step 5: Solve for x
   x = 70,720,892,356/173,120.50
6. Step 6: Final answer
   x = 408,506.75