Finding the Third Proportional to 815,806 and 1,767,188

Step by Step Solution

1. Step 1: Write the proportion equation
   815,806 : 1,767,188 = 1,767,188 : x
2. Step 2: Convert to fraction form
   815,806/1,767,188 = 1,767,188/x
3. Step 3: Cross multiply
   815,806x = 1,767,188 × 1,767,188
4. Step 4: Simplify right side
   815,806x = 3,122,953,427,344
5. Step 5: Solve for x
   x = 3,122,953,427,344/815,806
6. Step 6: Final answer
   x = 3,828,058.91