Finding the Third Proportional to 826,947 and 1,326,807

Step by Step Solution

1. Step 1: Write the proportion equation
   826,947 : 1,326,807 = 1,326,807 : x
2. Step 2: Convert to fraction form
   826,947/1,326,807 = 1,326,807/x
3. Step 3: Cross multiply
   826,947x = 1,326,807 × 1,326,807
4. Step 4: Simplify right side
   826,947x = 1,760,416,815,249
5. Step 5: Solve for x
   x = 1,760,416,815,249/826,947
6. Step 6: Final answer
   x = 2,128,814.56