Finding the Third Proportional to 173,707.50 and 275,283

Step by Step Solution

1. Step 1: Write the proportion equation
   173,707.50 : 275,283 = 275,283 : x
2. Step 2: Convert to fraction form
   173,707.50/275,283 = 275,283/x
3. Step 3: Cross multiply
   173,707.50x = 275,283 × 275,283
4. Step 4: Simplify right side
   173,707.50x = 75,780,730,089
5. Step 5: Solve for x
   x = 75,780,730,089/173,707.50
6. Step 6: Final answer
   x = 436,254.80