Finding the Third Proportional to 172,756 and 373,806

Step by Step Solution

1. Step 1: Write the proportion equation
   172,756 : 373,806 = 373,806 : x
2. Step 2: Convert to fraction form
   172,756/373,806 = 373,806/x
3. Step 3: Cross multiply
   172,756x = 373,806 × 373,806
4. Step 4: Simplify right side
   172,756x = 139,730,925,636
5. Step 5: Solve for x
   x = 139,730,925,636/172,756
6. Step 6: Final answer
   x = 808,833.99