Finding the Third Proportional to 273,100.50 and 598,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   273,100.50 : 598,693.50 = 598,693.50 : x
2. Step 2: Convert to fraction form
   273,100.50/598,693.50 = 598,693.50/x
3. Step 3: Cross multiply
   273,100.50x = 598,693.50 × 598,693.50
4. Step 4: Simplify right side
   273,100.50x = 358,433,906,942.25
5. Step 5: Solve for x
   x = 358,433,906,942.25/273,100.50
6. Step 6: Final answer
   x = 1,312,461.56