Finding the Third Proportional to 227,404.13 and 378,973.69

Step by Step Solution

1. Step 1: Write the proportion equation
   227,404.13 : 378,973.69 = 378,973.69 : x
2. Step 2: Convert to fraction form
   227,404.13/378,973.69 = 378,973.69/x
3. Step 3: Cross multiply
   227,404.13x = 378,973.69 × 378,973.69
4. Step 4: Simplify right side
   227,404.13x = 143,621,055,817.35
5. Step 5: Solve for x
   x = 143,621,055,817.35/227,404.13
6. Step 6: Final answer
   x = 631,567.50