Finding the Third Proportional to 275,308.50 and 606,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   275,308.50 : 606,493.50 = 606,493.50 : x
2. Step 2: Convert to fraction form
   275,308.50/606,493.50 = 606,493.50/x
3. Step 3: Cross multiply
   275,308.50x = 606,493.50 × 606,493.50
4. Step 4: Simplify right side
   275,308.50x = 367,834,365,542.25
5. Step 5: Solve for x
   x = 367,834,365,542.25/275,308.50
6. Step 6: Final answer
   x = 1,336,080.67