Finding the Third Proportional to 172,991 and 380,062

Step by Step Solution

1. Step 1: Write the proportion equation
   172,991 : 380,062 = 380,062 : x
2. Step 2: Convert to fraction form
   172,991/380,062 = 380,062/x
3. Step 3: Cross multiply
   172,991x = 380,062 × 380,062
4. Step 4: Simplify right side
   172,991x = 144,447,123,844
5. Step 5: Solve for x
   x = 144,447,123,844/172,991
6. Step 6: Final answer
   x = 834,997.91