Finding the Third Proportional to 301,098.50 and 654,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,098.50 : 654,684.50 = 654,684.50 : x
2. Step 2: Convert to fraction form
   301,098.50/654,684.50 = 654,684.50/x
3. Step 3: Cross multiply
   301,098.50x = 654,684.50 × 654,684.50
4. Step 4: Simplify right side
   301,098.50x = 428,611,794,540.25
5. Step 5: Solve for x
   x = 428,611,794,540.25/301,098.50
6. Step 6: Final answer
   x = 1,423,493.62