Finding the Third Proportional to 812,796 and 1,786,480

Step by Step Solution

1. Step 1: Write the proportion equation
   812,796 : 1,786,480 = 1,786,480 : x
2. Step 2: Convert to fraction form
   812,796/1,786,480 = 1,786,480/x
3. Step 3: Cross multiply
   812,796x = 1,786,480 × 1,786,480
4. Step 4: Simplify right side
   812,796x = 3,191,510,790,400
5. Step 5: Solve for x
   x = 3,191,510,790,400/812,796
6. Step 6: Final answer
   x = 3,926,582.80