Finding the Third Proportional to 518,458 and 1,078,301

Step by Step Solution

1. Step 1: Write the proportion equation
   518,458 : 1,078,301 = 1,078,301 : x
2. Step 2: Convert to fraction form
   518,458/1,078,301 = 1,078,301/x
3. Step 3: Cross multiply
   518,458x = 1,078,301 × 1,078,301
4. Step 4: Simplify right side
   518,458x = 1,162,733,046,601
5. Step 5: Solve for x
   x = 1,162,733,046,601/518,458
6. Step 6: Final answer
   x = 2,242,675.48