Finding the Third Proportional to 172,087 and 369,084

Step by Step Solution

1. Step 1: Write the proportion equation
   172,087 : 369,084 = 369,084 : x
2. Step 2: Convert to fraction form
   172,087/369,084 = 369,084/x
3. Step 3: Cross multiply
   172,087x = 369,084 × 369,084
4. Step 4: Simplify right side
   172,087x = 136,222,999,056
5. Step 5: Solve for x
   x = 136,222,999,056/172,087
6. Step 6: Final answer
   x = 791,593.78