Finding the Third Proportional to 172,086 and 369,084

Step by Step Solution

1. Step 1: Write the proportion equation
   172,086 : 369,084 = 369,084 : x
2. Step 2: Convert to fraction form
   172,086/369,084 = 369,084/x
3. Step 3: Cross multiply
   172,086x = 369,084 × 369,084
4. Step 4: Simplify right side
   172,086x = 136,222,999,056
5. Step 5: Solve for x
   x = 136,222,999,056/172,086
6. Step 6: Final answer
   x = 791,598.38