Finding the Third Proportional to 64,627.50 and 137,067

Step by Step Solution

1. Step 1: Write the proportion equation
   64,627.50 : 137,067 = 137,067 : x
2. Step 2: Convert to fraction form
   64,627.50/137,067 = 137,067/x
3. Step 3: Cross multiply
   64,627.50x = 137,067 × 137,067
4. Step 4: Simplify right side
   64,627.50x = 18,787,362,489
5. Step 5: Solve for x
   x = 18,787,362,489/64,627.50
6. Step 6: Final answer
   x = 290,702.29