Finding the Third Proportional to 244,656 and 378,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   244,656 : 378,121.50 = 378,121.50 : x
2. Step 2: Convert to fraction form
   244,656/378,121.50 = 378,121.50/x
3. Step 3: Cross multiply
   244,656x = 378,121.50 × 378,121.50
4. Step 4: Simplify right side
   244,656x = 142,975,868,762.25
5. Step 5: Solve for x
   x = 142,975,868,762.25/244,656
6. Step 6: Final answer
   x = 584,395.51