Finding the Third Proportional to 826,885.50 and 1,780,455

Step by Step Solution

1. Step 1: Write the proportion equation
   826,885.50 : 1,780,455 = 1,780,455 : x
2. Step 2: Convert to fraction form
   826,885.50/1,780,455 = 1,780,455/x
3. Step 3: Cross multiply
   826,885.50x = 1,780,455 × 1,780,455
4. Step 4: Simplify right side
   826,885.50x = 3,170,020,007,025
5. Step 5: Solve for x
   x = 3,170,020,007,025/826,885.50
6. Step 6: Final answer
   x = 3,833,686.78