Finding the Third Proportional to 815,807 and 1,749,706

Step by Step Solution

1. Step 1: Write the proportion equation
   815,807 : 1,749,706 = 1,749,706 : x
2. Step 2: Convert to fraction form
   815,807/1,749,706 = 1,749,706/x
3. Step 3: Cross multiply
   815,807x = 1,749,706 × 1,749,706
4. Step 4: Simplify right side
   815,807x = 3,061,471,086,436
5. Step 5: Solve for x
   x = 3,061,471,086,436/815,807
6. Step 6: Final answer
   x = 3,752,690.39