Finding the Third Proportional to 633,872 and 1,392,144

Step by Step Solution

1. Step 1: Write the proportion equation
   633,872 : 1,392,144 = 1,392,144 : x
2. Step 2: Convert to fraction form
   633,872/1,392,144 = 1,392,144/x
3. Step 3: Cross multiply
   633,872x = 1,392,144 × 1,392,144
4. Step 4: Simplify right side
   633,872x = 1,938,064,916,736
5. Step 5: Solve for x
   x = 1,938,064,916,736/633,872
6. Step 6: Final answer
   x = 3,057,502.01