Finding the Third Proportional to 812,802 and 1,786,492

Step by Step Solution

1. Step 1: Write the proportion equation
   812,802 : 1,786,492 = 1,786,492 : x
2. Step 2: Convert to fraction form
   812,802/1,786,492 = 1,786,492/x
3. Step 3: Cross multiply
   812,802x = 1,786,492 × 1,786,492
4. Step 4: Simplify right side
   812,802x = 3,191,553,666,064
5. Step 5: Solve for x
   x = 3,191,553,666,064/812,802
6. Step 6: Final answer
   x = 3,926,606.56