Finding the Third Proportional to 803,238 and 1,070,864

Step by Step Solution

1. Step 1: Write the proportion equation
   803,238 : 1,070,864 = 1,070,864 : x
2. Step 2: Convert to fraction form
   803,238/1,070,864 = 1,070,864/x
3. Step 3: Cross multiply
   803,238x = 1,070,864 × 1,070,864
4. Step 4: Simplify right side
   803,238x = 1,146,749,706,496
5. Step 5: Solve for x
   x = 1,146,749,706,496/803,238
6. Step 6: Final answer
   x = 1,427,658.68