Finding the Third Proportional to 717,446 and 1,077,870

Step by Step Solution

1. Step 1: Write the proportion equation
   717,446 : 1,077,870 = 1,077,870 : x
2. Step 2: Convert to fraction form
   717,446/1,077,870 = 1,077,870/x
3. Step 3: Cross multiply
   717,446x = 1,077,870 × 1,077,870
4. Step 4: Simplify right side
   717,446x = 1,161,803,736,900
5. Step 5: Solve for x
   x = 1,161,803,736,900/717,446
6. Step 6: Final answer
   x = 1,619,360.53