Finding the Third Proportional to 821,793 and 1,793,070

Step by Step Solution

1. Step 1: Write the proportion equation
   821,793 : 1,793,070 = 1,793,070 : x
2. Step 2: Convert to fraction form
   821,793/1,793,070 = 1,793,070/x
3. Step 3: Cross multiply
   821,793x = 1,793,070 × 1,793,070
4. Step 4: Simplify right side
   821,793x = 3,215,100,024,900
5. Step 5: Solve for x
   x = 3,215,100,024,900/821,793
6. Step 6: Final answer
   x = 3,912,299.11