Finding the Third Proportional to 190,842 and 259,182.75

Step by Step Solution

1. Step 1: Write the proportion equation
   190,842 : 259,182.75 = 259,182.75 : x
2. Step 2: Convert to fraction form
   190,842/259,182.75 = 259,182.75/x
3. Step 3: Cross multiply
   190,842x = 259,182.75 × 259,182.75
4. Step 4: Simplify right side
   190,842x = 67,175,697,897.56
5. Step 5: Solve for x
   x = 67,175,697,897.56/190,842
6. Step 6: Final answer
   x = 351,996.40