Finding the Third Proportional to 2,657,890 and 5,693,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,890 : 5,693,420 = 5,693,420 : x
2. Step 2: Convert to fraction form
   2,657,890/5,693,420 = 5,693,420/x
3. Step 3: Cross multiply
   2,657,890x = 5,693,420 × 5,693,420
4. Step 4: Simplify right side
   2,657,890x = 32,415,031,296,400
5. Step 5: Solve for x
   x = 32,415,031,296,400/2,657,890
6. Step 6: Final answer
   x = 12,195,776.08