Finding the Third Proportional to 751,212 and 1,163,268

Step by Step Solution

1. Step 1: Write the proportion equation
   751,212 : 1,163,268 = 1,163,268 : x
2. Step 2: Convert to fraction form
   751,212/1,163,268 = 1,163,268/x
3. Step 3: Cross multiply
   751,212x = 1,163,268 × 1,163,268
4. Step 4: Simplify right side
   751,212x = 1,353,192,439,824
5. Step 5: Solve for x
   x = 1,353,192,439,824/751,212
6. Step 6: Final answer
   x = 1,801,345.61