Finding the Third Proportional to 1,389,656 and 3,045,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,656 : 3,045,312 = 3,045,312 : x
2. Step 2: Convert to fraction form
   1,389,656/3,045,312 = 3,045,312/x
3. Step 3: Cross multiply
   1,389,656x = 3,045,312 × 3,045,312
4. Step 4: Simplify right side
   1,389,656x = 9,273,925,177,344
5. Step 5: Solve for x
   x = 9,273,925,177,344/1,389,656
6. Step 6: Final answer
   x = 6,673,540.20