Finding the Third Proportional to 812,043 and 1,786,086

Step by Step Solution

1. Step 1: Write the proportion equation
   812,043 : 1,786,086 = 1,786,086 : x
2. Step 2: Convert to fraction form
   812,043/1,786,086 = 1,786,086/x
3. Step 3: Cross multiply
   812,043x = 1,786,086 × 1,786,086
4. Step 4: Simplify right side
   812,043x = 3,190,103,199,396
5. Step 5: Solve for x
   x = 3,190,103,199,396/812,043
6. Step 6: Final answer
   x = 3,928,490.49