Finding the Third Proportional to 815,799 and 1,749,690

Step by Step Solution

1. Step 1: Write the proportion equation
   815,799 : 1,749,690 = 1,749,690 : x
2. Step 2: Convert to fraction form
   815,799/1,749,690 = 1,749,690/x
3. Step 3: Cross multiply
   815,799x = 1,749,690 × 1,749,690
4. Step 4: Simplify right side
   815,799x = 3,061,415,096,100
5. Step 5: Solve for x
   x = 3,061,415,096,100/815,799
6. Step 6: Final answer
   x = 3,752,658.55