Finding the Third Proportional to 719,138 and 1,563,742

Step by Step Solution

1. Step 1: Write the proportion equation
   719,138 : 1,563,742 = 1,563,742 : x
2. Step 2: Convert to fraction form
   719,138/1,563,742 = 1,563,742/x
3. Step 3: Cross multiply
   719,138x = 1,563,742 × 1,563,742
4. Step 4: Simplify right side
   719,138x = 2,445,289,042,564
5. Step 5: Solve for x
   x = 2,445,289,042,564/719,138
6. Step 6: Final answer
   x = 3,400,305.70