Finding the Third Proportional to 172,944 and 403,949.25

Step by Step Solution

1. Step 1: Write the proportion equation
   172,944 : 403,949.25 = 403,949.25 : x
2. Step 2: Convert to fraction form
   172,944/403,949.25 = 403,949.25/x
3. Step 3: Cross multiply
   172,944x = 403,949.25 × 403,949.25
4. Step 4: Simplify right side
   172,944x = 163,174,996,575.56
5. Step 5: Solve for x
   x = 163,174,996,575.56/172,944
6. Step 6: Final answer
   x = 943,513.49