Finding the Third Proportional to 1,189,815 and 2,319,852

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,815 : 2,319,852 = 2,319,852 : x
2. Step 2: Convert to fraction form
   1,189,815/2,319,852 = 2,319,852/x
3. Step 3: Cross multiply
   1,189,815x = 2,319,852 × 2,319,852
4. Step 4: Simplify right side
   1,189,815x = 5,381,713,301,904
5. Step 5: Solve for x
   x = 5,381,713,301,904/1,189,815
6. Step 6: Final answer
   x = 4,523,151.33