Finding the Third Proportional to 723,084 and 1,123,290

Step by Step Solution

1. Step 1: Write the proportion equation
   723,084 : 1,123,290 = 1,123,290 : x
2. Step 2: Convert to fraction form
   723,084/1,123,290 = 1,123,290/x
3. Step 3: Cross multiply
   723,084x = 1,123,290 × 1,123,290
4. Step 4: Simplify right side
   723,084x = 1,261,780,424,100
5. Step 5: Solve for x
   x = 1,261,780,424,100/723,084
6. Step 6: Final answer
   x = 1,744,998.40