Finding the Third Proportional to 555,064 and 1,309,868

Step by Step Solution

1. Step 1: Write the proportion equation
   555,064 : 1,309,868 = 1,309,868 : x
2. Step 2: Convert to fraction form
   555,064/1,309,868 = 1,309,868/x
3. Step 3: Cross multiply
   555,064x = 1,309,868 × 1,309,868
4. Step 4: Simplify right side
   555,064x = 1,715,754,177,424
5. Step 5: Solve for x
   x = 1,715,754,177,424/555,064
6. Step 6: Final answer
   x = 3,091,092.52