Finding the Third Proportional to 300,064.50 and 654,051.38

Step by Step Solution

1. Step 1: Write the proportion equation
   300,064.50 : 654,051.38 = 654,051.38 : x
2. Step 2: Convert to fraction form
   300,064.50/654,051.38 = 654,051.38/x
3. Step 3: Cross multiply
   300,064.50x = 654,051.38 × 654,051.38
4. Step 4: Simplify right side
   300,064.50x = 427,783,201,139.39
5. Step 5: Solve for x
   x = 427,783,201,139.39/300,064.50
6. Step 6: Final answer
   x = 1,425,637.49