Finding the Third Proportional to 803,834 and 1,071,564

Step by Step Solution

1. Step 1: Write the proportion equation
   803,834 : 1,071,564 = 1,071,564 : x
2. Step 2: Convert to fraction form
   803,834/1,071,564 = 1,071,564/x
3. Step 3: Cross multiply
   803,834x = 1,071,564 × 1,071,564
4. Step 4: Simplify right side
   803,834x = 1,148,249,406,096
5. Step 5: Solve for x
   x = 1,148,249,406,096/803,834
6. Step 6: Final answer
   x = 1,428,465.84