Finding the Third Proportional to 734,549 and 1,123,556

Step by Step Solution

1. Step 1: Write the proportion equation
   734,549 : 1,123,556 = 1,123,556 : x
2. Step 2: Convert to fraction form
   734,549/1,123,556 = 1,123,556/x
3. Step 3: Cross multiply
   734,549x = 1,123,556 × 1,123,556
4. Step 4: Simplify right side
   734,549x = 1,262,378,085,136
5. Step 5: Solve for x
   x = 1,262,378,085,136/734,549
6. Step 6: Final answer
   x = 1,718,575.73