Finding the Third Proportional to 64,651.50 and 137,077

Step by Step Solution

1. Step 1: Write the proportion equation
   64,651.50 : 137,077 = 137,077 : x
2. Step 2: Convert to fraction form
   64,651.50/137,077 = 137,077/x
3. Step 3: Cross multiply
   64,651.50x = 137,077 × 137,077
4. Step 4: Simplify right side
   64,651.50x = 18,790,103,929
5. Step 5: Solve for x
   x = 18,790,103,929/64,651.50
6. Step 6: Final answer
   x = 290,636.78