Finding the Third Proportional to 172,091.25 and 369,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   172,091.25 : 369,092.25 = 369,092.25 : x
2. Step 2: Convert to fraction form
   172,091.25/369,092.25 = 369,092.25/x
3. Step 3: Cross multiply
   172,091.25x = 369,092.25 × 369,092.25
4. Step 4: Simplify right side
   172,091.25x = 136,229,089,010.06
5. Step 5: Solve for x
   x = 136,229,089,010.06/172,091.25
6. Step 6: Final answer
   x = 791,609.62