Finding the Third Proportional to 719,774 and 1,575,142

Step by Step Solution

1. Step 1: Write the proportion equation
   719,774 : 1,575,142 = 1,575,142 : x
2. Step 2: Convert to fraction form
   719,774/1,575,142 = 1,575,142/x
3. Step 3: Cross multiply
   719,774x = 1,575,142 × 1,575,142
4. Step 4: Simplify right side
   719,774x = 2,481,072,320,164
5. Step 5: Solve for x
   x = 2,481,072,320,164/719,774
6. Step 6: Final answer
   x = 3,447,015.76