Finding the Third Proportional to 2,657,340 and 4,122,576

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,340 : 4,122,576 = 4,122,576 : x
2. Step 2: Convert to fraction form
   2,657,340/4,122,576 = 4,122,576/x
3. Step 3: Cross multiply
   2,657,340x = 4,122,576 × 4,122,576
4. Step 4: Simplify right side
   2,657,340x = 16,995,632,875,776
5. Step 5: Solve for x
   x = 16,995,632,875,776/2,657,340
6. Step 6: Final answer
   x = 6,395,731.40