Finding the Third Proportional to 1,187,814 and 2,590,026

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,814 : 2,590,026 = 2,590,026 : x
2. Step 2: Convert to fraction form
   1,187,814/2,590,026 = 2,590,026/x
3. Step 3: Cross multiply
   1,187,814x = 2,590,026 × 2,590,026
4. Step 4: Simplify right side
   1,187,814x = 6,708,234,680,676
5. Step 5: Solve for x
   x = 6,708,234,680,676/1,187,814
6. Step 6: Final answer
   x = 5,647,546.40