Finding the Third Proportional to 34,858 and 76,386

Step by Step Solution

1. Step 1: Write the proportion equation
   34,858 : 76,386 = 76,386 : x
2. Step 2: Convert to fraction form
   34,858/76,386 = 76,386/x
3. Step 3: Cross multiply
   34,858x = 76,386 × 76,386
4. Step 4: Simplify right side
   34,858x = 5,834,820,996
5. Step 5: Solve for x
   x = 5,834,820,996/34,858
6. Step 6: Final answer
   x = 167,388.29