Finding the Third Proportional to 1,145,044.50 and 1,555,089

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,044.50 : 1,555,089 = 1,555,089 : x
2. Step 2: Convert to fraction form
   1,145,044.50/1,555,089 = 1,555,089/x
3. Step 3: Cross multiply
   1,145,044.50x = 1,555,089 × 1,555,089
4. Step 4: Simplify right side
   1,145,044.50x = 2,418,301,797,921
5. Step 5: Solve for x
   x = 2,418,301,797,921/1,145,044.50
6. Step 6: Final answer
   x = 2,111,971.89