Finding the Third Proportional to 172,302 and 365,061

Step by Step Solution

1. Step 1: Write the proportion equation
   172,302 : 365,061 = 365,061 : x
2. Step 2: Convert to fraction form
   172,302/365,061 = 365,061/x
3. Step 3: Cross multiply
   172,302x = 365,061 × 365,061
4. Step 4: Simplify right side
   172,302x = 133,269,533,721
5. Step 5: Solve for x
   x = 133,269,533,721/172,302
6. Step 6: Final answer
   x = 773,464.81