Finding the Third Proportional to 367,192 and 778,500

Step by Step Solution

1. Step 1: Write the proportion equation
   367,192 : 778,500 = 778,500 : x
2. Step 2: Convert to fraction form
   367,192/778,500 = 778,500/x
3. Step 3: Cross multiply
   367,192x = 778,500 × 778,500
4. Step 4: Simplify right side
   367,192x = 606,062,250,000
5. Step 5: Solve for x
   x = 606,062,250,000/367,192
6. Step 6: Final answer
   x = 1,650,532.28