Finding the Third Proportional to 555,106 and 1,309,969

Step by Step Solution

1. Step 1: Write the proportion equation
   555,106 : 1,309,969 = 1,309,969 : x
2. Step 2: Convert to fraction form
   555,106/1,309,969 = 1,309,969/x
3. Step 3: Cross multiply
   555,106x = 1,309,969 × 1,309,969
4. Step 4: Simplify right side
   555,106x = 1,716,018,780,961
5. Step 5: Solve for x
   x = 1,716,018,780,961/555,106
6. Step 6: Final answer
   x = 3,091,335.31