Finding the Third Proportional to 750,454 and 1,123,628

Step by Step Solution

1. Step 1: Write the proportion equation
   750,454 : 1,123,628 = 1,123,628 : x
2. Step 2: Convert to fraction form
   750,454/1,123,628 = 1,123,628/x
3. Step 3: Cross multiply
   750,454x = 1,123,628 × 1,123,628
4. Step 4: Simplify right side
   750,454x = 1,262,539,882,384
5. Step 5: Solve for x
   x = 1,262,539,882,384/750,454
6. Step 6: Final answer
   x = 1,682,368.12