Finding the Third Proportional to 236,656.50 and 509,398

Step by Step Solution

1. Step 1: Write the proportion equation
   236,656.50 : 509,398 = 509,398 : x
2. Step 2: Convert to fraction form
   236,656.50/509,398 = 509,398/x
3. Step 3: Cross multiply
   236,656.50x = 509,398 × 509,398
4. Step 4: Simplify right side
   236,656.50x = 259,486,322,404
5. Step 5: Solve for x
   x = 259,486,322,404/236,656.50
6. Step 6: Final answer
   x = 1,096,468.18