Finding the Third Proportional to 869,789.81 and 1,799,243.72

Step by Step Solution

1. Step 1: Write the proportion equation
   869,789.81 : 1,799,243.72 = 1,799,243.72 : x
2. Step 2: Convert to fraction form
   869,789.81/1,799,243.72 = 1,799,243.72/x
3. Step 3: Cross multiply
   869,789.81x = 1,799,243.72 × 1,799,243.72
4. Step 4: Simplify right side
   869,789.81x = 3,237,277,959,461.33
5. Step 5: Solve for x
   x = 3,237,277,959,461.33/869,789.81
6. Step 6: Final answer
   x = 3,721,908.34