Finding the Third Proportional to 619,804 and 1,343,936

Step by Step Solution

1. Step 1: Write the proportion equation
   619,804 : 1,343,936 = 1,343,936 : x
2. Step 2: Convert to fraction form
   619,804/1,343,936 = 1,343,936/x
3. Step 3: Cross multiply
   619,804x = 1,343,936 × 1,343,936
4. Step 4: Simplify right side
   619,804x = 1,806,163,972,096
5. Step 5: Solve for x
   x = 1,806,163,972,096/619,804
6. Step 6: Final answer
   x = 2,914,088.93