Finding the Third Proportional to 556,852 and 1,213,064

Step by Step Solution

1. Step 1: Write the proportion equation
   556,852 : 1,213,064 = 1,213,064 : x
2. Step 2: Convert to fraction form
   556,852/1,213,064 = 1,213,064/x
3. Step 3: Cross multiply
   556,852x = 1,213,064 × 1,213,064
4. Step 4: Simplify right side
   556,852x = 1,471,524,268,096
5. Step 5: Solve for x
   x = 1,471,524,268,096/556,852
6. Step 6: Final answer
   x = 2,642,576.96