Finding the Third Proportional to 2,543,626 and 5,529,026

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543,626 : 5,529,026 = 5,529,026 : x
2. Step 2: Convert to fraction form
   2,543,626/5,529,026 = 5,529,026/x
3. Step 3: Cross multiply
   2,543,626x = 5,529,026 × 5,529,026
4. Step 4: Simplify right side
   2,543,626x = 30,570,128,508,676
5. Step 5: Solve for x
   x = 30,570,128,508,676/2,543,626
6. Step 6: Final answer
   x = 12,018,326.79