Finding the Third Proportional to 236,644.50 and 519,216

Step by Step Solution

1. Step 1: Write the proportion equation
   236,644.50 : 519,216 = 519,216 : x
2. Step 2: Convert to fraction form
   236,644.50/519,216 = 519,216/x
3. Step 3: Cross multiply
   236,644.50x = 519,216 × 519,216
4. Step 4: Simplify right side
   236,644.50x = 269,585,254,656
5. Step 5: Solve for x
   x = 269,585,254,656/236,644.50
6. Step 6: Final answer
   x = 1,139,199.32