Finding the Third Proportional to 721,294 and 1,122,766

Step by Step Solution

1. Step 1: Write the proportion equation
   721,294 : 1,122,766 = 1,122,766 : x
2. Step 2: Convert to fraction form
   721,294/1,122,766 = 1,122,766/x
3. Step 3: Cross multiply
   721,294x = 1,122,766 × 1,122,766
4. Step 4: Simplify right side
   721,294x = 1,260,603,490,756
5. Step 5: Solve for x
   x = 1,260,603,490,756/721,294
6. Step 6: Final answer
   x = 1,747,697.18