Finding the Third Proportional to 510,408 and 1,118,502

Step by Step Solution

1. Step 1: Write the proportion equation
   510,408 : 1,118,502 = 1,118,502 : x
2. Step 2: Convert to fraction form
   510,408/1,118,502 = 1,118,502/x
3. Step 3: Cross multiply
   510,408x = 1,118,502 × 1,118,502
4. Step 4: Simplify right side
   510,408x = 1,251,046,724,004
5. Step 5: Solve for x
   x = 1,251,046,724,004/510,408
6. Step 6: Final answer
   x = 2,451,071.93