Finding the Third Proportional to 82,899 and 178,758

Step by Step Solution

1. Step 1: Write the proportion equation
   82,899 : 178,758 = 178,758 : x
2. Step 2: Convert to fraction form
   82,899/178,758 = 178,758/x
3. Step 3: Cross multiply
   82,899x = 178,758 × 178,758
4. Step 4: Simplify right side
   82,899x = 31,954,422,564
5. Step 5: Solve for x
   x = 31,954,422,564/82,899
6. Step 6: Final answer
   x = 385,462.10