Finding the Third Proportional to 172,104 and 372,809.25

Step by Step Solution

1. Step 1: Write the proportion equation
   172,104 : 372,809.25 = 372,809.25 : x
2. Step 2: Convert to fraction form
   172,104/372,809.25 = 372,809.25/x
3. Step 3: Cross multiply
   172,104x = 372,809.25 × 372,809.25
4. Step 4: Simplify right side
   172,104x = 138,986,736,885.56
5. Step 5: Solve for x
   x = 138,986,736,885.56/172,104
6. Step 6: Final answer
   x = 807,574.12