Finding the Third Proportional to 815,860 and 1,793,072

Step by Step Solution

1. Step 1: Write the proportion equation
   815,860 : 1,793,072 = 1,793,072 : x
2. Step 2: Convert to fraction form
   815,860/1,793,072 = 1,793,072/x
3. Step 3: Cross multiply
   815,860x = 1,793,072 × 1,793,072
4. Step 4: Simplify right side
   815,860x = 3,215,107,197,184
5. Step 5: Solve for x
   x = 3,215,107,197,184/815,860
6. Step 6: Final answer
   x = 3,940,758.46