Finding the Third Proportional to 826,991 and 1,780,700

Step by Step Solution

1. Step 1: Write the proportion equation
   826,991 : 1,780,700 = 1,780,700 : x
2. Step 2: Convert to fraction form
   826,991/1,780,700 = 1,780,700/x
3. Step 3: Cross multiply
   826,991x = 1,780,700 × 1,780,700
4. Step 4: Simplify right side
   826,991x = 3,170,892,490,000
5. Step 5: Solve for x
   x = 3,170,892,490,000/826,991
6. Step 6: Final answer
   x = 3,834,252.72