Finding the Third Proportional to 384,510.38 and 828,186

Step by Step Solution

1. Step 1: Write the proportion equation
   384,510.38 : 828,186 = 828,186 : x
2. Step 2: Convert to fraction form
   384,510.38/828,186 = 828,186/x
3. Step 3: Cross multiply
   384,510.38x = 828,186 × 828,186
4. Step 4: Simplify right side
   384,510.38x = 685,892,050,596
5. Step 5: Solve for x
   x = 685,892,050,596/384,510.38
6. Step 6: Final answer
   x = 1,783,806.36