Finding the Third Proportional to 507,758 and 1,115,144

Step by Step Solution

1. Step 1: Write the proportion equation
   507,758 : 1,115,144 = 1,115,144 : x
2. Step 2: Convert to fraction form
   507,758/1,115,144 = 1,115,144/x
3. Step 3: Cross multiply
   507,758x = 1,115,144 × 1,115,144
4. Step 4: Simplify right side
   507,758x = 1,243,546,140,736
5. Step 5: Solve for x
   x = 1,243,546,140,736/507,758
6. Step 6: Final answer
   x = 2,449,092.17