Finding the Third Proportional to 303,381 and 654,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,381 : 654,067.50 = 654,067.50 : x
2. Step 2: Convert to fraction form
   303,381/654,067.50 = 654,067.50/x
3. Step 3: Cross multiply
   303,381x = 654,067.50 × 654,067.50
4. Step 4: Simplify right side
   303,381x = 427,804,294,556.25
5. Step 5: Solve for x
   x = 427,804,294,556.25/303,381
6. Step 6: Final answer
   x = 1,410,122.24