Finding the Third Proportional to 812,793 and 1,786,476

Step by Step Solution

1. Step 1: Write the proportion equation
   812,793 : 1,786,476 = 1,786,476 : x
2. Step 2: Convert to fraction form
   812,793/1,786,476 = 1,786,476/x
3. Step 3: Cross multiply
   812,793x = 1,786,476 × 1,786,476
4. Step 4: Simplify right side
   812,793x = 3,191,496,498,576
5. Step 5: Solve for x
   x = 3,191,496,498,576/812,793
6. Step 6: Final answer
   x = 3,926,579.71