Finding the Third Proportional to 64,080.50 and 137,647

Step by Step Solution

1. Step 1: Write the proportion equation
   64,080.50 : 137,647 = 137,647 : x
2. Step 2: Convert to fraction form
   64,080.50/137,647 = 137,647/x
3. Step 3: Cross multiply
   64,080.50x = 137,647 × 137,647
4. Step 4: Simplify right side
   64,080.50x = 18,946,696,609
5. Step 5: Solve for x
   x = 18,946,696,609/64,080.50
6. Step 6: Final answer
   x = 295,670.24