Finding the Third Proportional to 814,212 and 1,736,631

Step by Step Solution

1. Step 1: Write the proportion equation
   814,212 : 1,736,631 = 1,736,631 : x
2. Step 2: Convert to fraction form
   814,212/1,736,631 = 1,736,631/x
3. Step 3: Cross multiply
   814,212x = 1,736,631 × 1,736,631
4. Step 4: Simplify right side
   814,212x = 3,015,887,230,161
5. Step 5: Solve for x
   x = 3,015,887,230,161/814,212
6. Step 6: Final answer
   x = 3,704,056.47