Finding the Third Proportional to 1,189,814 and 2,319,848

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,814 : 2,319,848 = 2,319,848 : x
2. Step 2: Convert to fraction form
   1,189,814/2,319,848 = 2,319,848/x
3. Step 3: Cross multiply
   1,189,814x = 2,319,848 × 2,319,848
4. Step 4: Simplify right side
   1,189,814x = 5,381,694,743,104
5. Step 5: Solve for x
   x = 5,381,694,743,104/1,189,814
6. Step 6: Final answer
   x = 4,523,139.54