Finding the Third Proportional to 1,200,050 and 1,688,019

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,050 : 1,688,019 = 1,688,019 : x
2. Step 2: Convert to fraction form
   1,200,050/1,688,019 = 1,688,019/x
3. Step 3: Cross multiply
   1,200,050x = 1,688,019 × 1,688,019
4. Step 4: Simplify right side
   1,200,050x = 2,849,408,144,361
5. Step 5: Solve for x
   x = 2,849,408,144,361/1,200,050
6. Step 6: Final answer
   x = 2,374,407.85