Finding the Third Proportional to 64,150 and 139,946

Step by Step Solution

1. Step 1: Write the proportion equation
   64,150 : 139,946 = 139,946 : x
2. Step 2: Convert to fraction form
   64,150/139,946 = 139,946/x
3. Step 3: Cross multiply
   64,150x = 139,946 × 139,946
4. Step 4: Simplify right side
   64,150x = 19,584,882,916
5. Step 5: Solve for x
   x = 19,584,882,916/64,150
6. Step 6: Final answer
   x = 305,298.25