Finding the Third Proportional to 785,112 and 1,245,249

Step by Step Solution

1. Step 1: Write the proportion equation
   785,112 : 1,245,249 = 1,245,249 : x
2. Step 2: Convert to fraction form
   785,112/1,245,249 = 1,245,249/x
3. Step 3: Cross multiply
   785,112x = 1,245,249 × 1,245,249
4. Step 4: Simplify right side
   785,112x = 1,550,645,072,001
5. Step 5: Solve for x
   x = 1,550,645,072,001/785,112
6. Step 6: Final answer
   x = 1,975,062.25