Finding the Third Proportional to 620,305 and 1,343,662

Step by Step Solution

1. Step 1: Write the proportion equation
   620,305 : 1,343,662 = 1,343,662 : x
2. Step 2: Convert to fraction form
   620,305/1,343,662 = 1,343,662/x
3. Step 3: Cross multiply
   620,305x = 1,343,662 × 1,343,662
4. Step 4: Simplify right side
   620,305x = 1,805,427,570,244
5. Step 5: Solve for x
   x = 1,805,427,570,244/620,305
6. Step 6: Final answer
   x = 2,910,548.15