Finding the Third Proportional to 559,815 and 1,199,493

Step by Step Solution

1. Step 1: Write the proportion equation
   559,815 : 1,199,493 = 1,199,493 : x
2. Step 2: Convert to fraction form
   559,815/1,199,493 = 1,199,493/x
3. Step 3: Cross multiply
   559,815x = 1,199,493 × 1,199,493
4. Step 4: Simplify right side
   559,815x = 1,438,783,457,049
5. Step 5: Solve for x
   x = 1,438,783,457,049/559,815
6. Step 6: Final answer
   x = 2,570,105.23