Finding the Third Proportional to 512,642 and 1,101,172

Step by Step Solution

1. Step 1: Write the proportion equation
   512,642 : 1,101,172 = 1,101,172 : x
2. Step 2: Convert to fraction form
   512,642/1,101,172 = 1,101,172/x
3. Step 3: Cross multiply
   512,642x = 1,101,172 × 1,101,172
4. Step 4: Simplify right side
   512,642x = 1,212,579,773,584
5. Step 5: Solve for x
   x = 1,212,579,773,584/512,642
6. Step 6: Final answer
   x = 2,365,353.94