Finding the Third Proportional to 574,726 and 870,068

Step by Step Solution

1. Step 1: Write the proportion equation
   574,726 : 870,068 = 870,068 : x
2. Step 2: Convert to fraction form
   574,726/870,068 = 870,068/x
3. Step 3: Cross multiply
   574,726x = 870,068 × 870,068
4. Step 4: Simplify right side
   574,726x = 757,018,324,624
5. Step 5: Solve for x
   x = 757,018,324,624/574,726
6. Step 6: Final answer
   x = 1,317,181.27