Finding the Third Proportional to 64,608 and 137,034

Step by Step Solution

1. Step 1: Write the proportion equation
   64,608 : 137,034 = 137,034 : x
2. Step 2: Convert to fraction form
   64,608/137,034 = 137,034/x
3. Step 3: Cross multiply
   64,608x = 137,034 × 137,034
4. Step 4: Simplify right side
   64,608x = 18,778,317,156
5. Step 5: Solve for x
   x = 18,778,317,156/64,608
6. Step 6: Final answer
   x = 290,650.03