Finding the Third Proportional to 515,212 and 1,122,064

Step by Step Solution

1. Step 1: Write the proportion equation
   515,212 : 1,122,064 = 1,122,064 : x
2. Step 2: Convert to fraction form
   515,212/1,122,064 = 1,122,064/x
3. Step 3: Cross multiply
   515,212x = 1,122,064 × 1,122,064
4. Step 4: Simplify right side
   515,212x = 1,259,027,620,096
5. Step 5: Solve for x
   x = 1,259,027,620,096/515,212
6. Step 6: Final answer
   x = 2,443,707.87