Finding the Third Proportional to 687,075 and 1,465,443

Step by Step Solution

1. Step 1: Write the proportion equation
   687,075 : 1,465,443 = 1,465,443 : x
2. Step 2: Convert to fraction form
   687,075/1,465,443 = 1,465,443/x
3. Step 3: Cross multiply
   687,075x = 1,465,443 × 1,465,443
4. Step 4: Simplify right side
   687,075x = 2,147,523,186,249
5. Step 5: Solve for x
   x = 2,147,523,186,249/687,075
6. Step 6: Final answer
   x = 3,125,602.28