Finding the Third Proportional to 722,242 and 1,123,575

Step by Step Solution

1. Step 1: Write the proportion equation
   722,242 : 1,123,575 = 1,123,575 : x
2. Step 2: Convert to fraction form
   722,242/1,123,575 = 1,123,575/x
3. Step 3: Cross multiply
   722,242x = 1,123,575 × 1,123,575
4. Step 4: Simplify right side
   722,242x = 1,262,420,780,625
5. Step 5: Solve for x
   x = 1,262,420,780,625/722,242
6. Step 6: Final answer
   x = 1,747,919.37