Finding the Third Proportional to 34,434 and 73,890

Step by Step Solution

1. Step 1: Write the proportion equation
   34,434 : 73,890 = 73,890 : x
2. Step 2: Convert to fraction form
   34,434/73,890 = 73,890/x
3. Step 3: Cross multiply
   34,434x = 73,890 × 73,890
4. Step 4: Simplify right side
   34,434x = 5,459,732,100
5. Step 5: Solve for x
   x = 5,459,732,100/34,434
6. Step 6: Final answer
   x = 158,556.43