Finding the Third Proportional to 173,389.50 and 374,697

Step by Step Solution

1. Step 1: Write the proportion equation
   173,389.50 : 374,697 = 374,697 : x
2. Step 2: Convert to fraction form
   173,389.50/374,697 = 374,697/x
3. Step 3: Cross multiply
   173,389.50x = 374,697 × 374,697
4. Step 4: Simplify right side
   173,389.50x = 140,397,841,809
5. Step 5: Solve for x
   x = 140,397,841,809/173,389.50
6. Step 6: Final answer
   x = 809,725.17