Finding the Third Proportional to 510,828 and 1,111,440

Step by Step Solution

1. Step 1: Write the proportion equation
   510,828 : 1,111,440 = 1,111,440 : x
2. Step 2: Convert to fraction form
   510,828/1,111,440 = 1,111,440/x
3. Step 3: Cross multiply
   510,828x = 1,111,440 × 1,111,440
4. Step 4: Simplify right side
   510,828x = 1,235,298,873,600
5. Step 5: Solve for x
   x = 1,235,298,873,600/510,828
6. Step 6: Final answer
   x = 2,418,228.59