Finding the Third Proportional to 34,810 and 74,540

Step by Step Solution

1. Step 1: Write the proportion equation
   34,810 : 74,540 = 74,540 : x
2. Step 2: Convert to fraction form
   34,810/74,540 = 74,540/x
3. Step 3: Cross multiply
   34,810x = 74,540 × 74,540
4. Step 4: Simplify right side
   34,810x = 5,556,211,600
5. Step 5: Solve for x
   x = 5,556,211,600/34,810
6. Step 6: Final answer
   x = 159,615.39