Finding the Third Proportional to 2,890,656 and 4,294,080

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890,656 : 4,294,080 = 4,294,080 : x
2. Step 2: Convert to fraction form
   2,890,656/4,294,080 = 4,294,080/x
3. Step 3: Cross multiply
   2,890,656x = 4,294,080 × 4,294,080
4. Step 4: Simplify right side
   2,890,656x = 18,439,123,046,400
5. Step 5: Solve for x
   x = 18,439,123,046,400/2,890,656
6. Step 6: Final answer
   x = 6,378,871.46