Finding the Third Proportional to 516,285 and 1,118,360

Step by Step Solution

1. Step 1: Write the proportion equation
   516,285 : 1,118,360 = 1,118,360 : x
2. Step 2: Convert to fraction form
   516,285/1,118,360 = 1,118,360/x
3. Step 3: Cross multiply
   516,285x = 1,118,360 × 1,118,360
4. Step 4: Simplify right side
   516,285x = 1,250,729,089,600
5. Step 5: Solve for x
   x = 1,250,729,089,600/516,285
6. Step 6: Final answer
   x = 2,422,555.55