Finding the Third Proportional to 815,814 and 1,749,726

Step by Step Solution

1. Step 1: Write the proportion equation
   815,814 : 1,749,726 = 1,749,726 : x
2. Step 2: Convert to fraction form
   815,814/1,749,726 = 1,749,726/x
3. Step 3: Cross multiply
   815,814x = 1,749,726 × 1,749,726
4. Step 4: Simplify right side
   815,814x = 3,061,541,075,076
5. Step 5: Solve for x
   x = 3,061,541,075,076/815,814
6. Step 6: Final answer
   x = 3,752,743.98