Finding the Third Proportional to 815,786 and 1,749,672

Step by Step Solution

1. Step 1: Write the proportion equation
   815,786 : 1,749,672 = 1,749,672 : x
2. Step 2: Convert to fraction form
   815,786/1,749,672 = 1,749,672/x
3. Step 3: Cross multiply
   815,786x = 1,749,672 × 1,749,672
4. Step 4: Simplify right side
   815,786x = 3,061,352,107,584
5. Step 5: Solve for x
   x = 3,061,352,107,584/815,786
6. Step 6: Final answer
   x = 3,752,641.14