Finding the Third Proportional to 1,260,603 and 1,886,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,603 : 1,886,449.50 = 1,886,449.50 : x
2. Step 2: Convert to fraction form
   1,260,603/1,886,449.50 = 1,886,449.50/x
3. Step 3: Cross multiply
   1,260,603x = 1,886,449.50 × 1,886,449.50
4. Step 4: Simplify right side
   1,260,603x = 3,558,691,716,050.25
5. Step 5: Solve for x
   x = 3,558,691,716,050.25/1,260,603
6. Step 6: Final answer
   x = 2,823,007.49