Finding the Third Proportional to 812,036 and 1,786,072

Step by Step Solution

1. Step 1: Write the proportion equation
   812,036 : 1,786,072 = 1,786,072 : x
2. Step 2: Convert to fraction form
   812,036/1,786,072 = 1,786,072/x
3. Step 3: Cross multiply
   812,036x = 1,786,072 × 1,786,072
4. Step 4: Simplify right side
   812,036x = 3,190,053,189,184
5. Step 5: Solve for x
   x = 3,190,053,189,184/812,036
6. Step 6: Final answer
   x = 3,928,462.76