Finding the Third Proportional to 2,809,128 and 4,254,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809,128 : 4,254,480 = 4,254,480 : x
2. Step 2: Convert to fraction form
   2,809,128/4,254,480 = 4,254,480/x
3. Step 3: Cross multiply
   2,809,128x = 4,254,480 × 4,254,480
4. Step 4: Simplify right side
   2,809,128x = 18,100,600,070,400
5. Step 5: Solve for x
   x = 18,100,600,070,400/2,809,128
6. Step 6: Final answer
   x = 6,443,494.23