Finding the Third Proportional to 64,936.50 and 140,946

Step by Step Solution

1. Step 1: Write the proportion equation
   64,936.50 : 140,946 = 140,946 : x
2. Step 2: Convert to fraction form
   64,936.50/140,946 = 140,946/x
3. Step 3: Cross multiply
   64,936.50x = 140,946 × 140,946
4. Step 4: Simplify right side
   64,936.50x = 19,865,774,916
5. Step 5: Solve for x
   x = 19,865,774,916/64,936.50
6. Step 6: Final answer
   x = 305,926.17