Finding the Third Proportional to 300,055.50 and 654,036.75

Step by Step Solution

1. Step 1: Write the proportion equation
   300,055.50 : 654,036.75 = 654,036.75 : x
2. Step 2: Convert to fraction form
   300,055.50/654,036.75 = 654,036.75/x
3. Step 3: Cross multiply
   300,055.50x = 654,036.75 × 654,036.75
4. Step 4: Simplify right side
   300,055.50x = 427,764,070,350.56
5. Step 5: Solve for x
   x = 427,764,070,350.56/300,055.50
6. Step 6: Final answer
   x = 1,425,616.50