Finding the Third Proportional to 1,207,026 and 1,782,279

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,026 : 1,782,279 = 1,782,279 : x
2. Step 2: Convert to fraction form
   1,207,026/1,782,279 = 1,782,279/x
3. Step 3: Cross multiply
   1,207,026x = 1,782,279 × 1,782,279
4. Step 4: Simplify right side
   1,207,026x = 3,176,518,433,841
5. Step 5: Solve for x
   x = 3,176,518,433,841/1,207,026
6. Step 6: Final answer
   x = 2,631,690.15