Finding the Third Proportional to 137,673 and 282,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,673 : 282,757.50 = 282,757.50 : x
2. Step 2: Convert to fraction form
   137,673/282,757.50 = 282,757.50/x
3. Step 3: Cross multiply
   137,673x = 282,757.50 × 282,757.50
4. Step 4: Simplify right side
   137,673x = 79,951,803,806.25
5. Step 5: Solve for x
   x = 79,951,803,806.25/137,673
6. Step 6: Final answer
   x = 580,736.99