Finding the Third Proportional to 2,208,128 and 4,731,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,128 : 4,731,040 = 4,731,040 : x
2. Step 2: Convert to fraction form
   2,208,128/4,731,040 = 4,731,040/x
3. Step 3: Cross multiply
   2,208,128x = 4,731,040 × 4,731,040
4. Step 4: Simplify right side
   2,208,128x = 22,382,739,481,600
5. Step 5: Solve for x
   x = 22,382,739,481,600/2,208,128
6. Step 6: Final answer
   x = 10,136,522.65