Finding the Third Proportional to 71,077.50 and 145,845.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,077.50 : 145,845.56 = 145,845.56 : x
2. Step 2: Convert to fraction form
   71,077.50/145,845.56 = 145,845.56/x
3. Step 3: Cross multiply
   71,077.50x = 145,845.56 × 145,845.56
4. Step 4: Simplify right side
   71,077.50x = 21,270,928,100.94
5. Step 5: Solve for x
   x = 21,270,928,100.94/71,077.50
6. Step 6: Final answer
   x = 299,263.88