Finding the Third Proportional to 719,775 and 1,575,144

Step by Step Solution

1. Step 1: Write the proportion equation
   719,775 : 1,575,144 = 1,575,144 : x
2. Step 2: Convert to fraction form
   719,775/1,575,144 = 1,575,144/x
3. Step 3: Cross multiply
   719,775x = 1,575,144 × 1,575,144
4. Step 4: Simplify right side
   719,775x = 2,481,078,620,736
5. Step 5: Solve for x
   x = 2,481,078,620,736/719,775
6. Step 6: Final answer
   x = 3,447,019.72