Finding the Third Proportional to 2,626,640 and 5,655,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626,640 : 5,655,040 = 5,655,040 : x
2. Step 2: Convert to fraction form
   2,626,640/5,655,040 = 5,655,040/x
3. Step 3: Cross multiply
   2,626,640x = 5,655,040 × 5,655,040
4. Step 4: Simplify right side
   2,626,640x = 31,979,477,401,600
5. Step 5: Solve for x
   x = 31,979,477,401,600/2,626,640
6. Step 6: Final answer
   x = 12,175,051.55