Finding the Third Proportional to 2,783,353 and 4,309,706

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783,353 : 4,309,706 = 4,309,706 : x
2. Step 2: Convert to fraction form
   2,783,353/4,309,706 = 4,309,706/x
3. Step 3: Cross multiply
   2,783,353x = 4,309,706 × 4,309,706
4. Step 4: Simplify right side
   2,783,353x = 18,573,565,806,436
5. Step 5: Solve for x
   x = 18,573,565,806,436/2,783,353
6. Step 6: Final answer
   x = 6,673,090.26