Finding the Third Proportional to 190,642 and 376,500

Step by Step Solution

1. Step 1: Write the proportion equation
   190,642 : 376,500 = 376,500 : x
2. Step 2: Convert to fraction form
   190,642/376,500 = 376,500/x
3. Step 3: Cross multiply
   190,642x = 376,500 × 376,500
4. Step 4: Simplify right side
   190,642x = 141,752,250,000
5. Step 5: Solve for x
   x = 141,752,250,000/190,642
6. Step 6: Final answer
   x = 743,552.05