Finding the Third Proportional to 1,236,522 and 2,690,787

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,522 : 2,690,787 = 2,690,787 : x
2. Step 2: Convert to fraction form
   1,236,522/2,690,787 = 2,690,787/x
3. Step 3: Cross multiply
   1,236,522x = 2,690,787 × 2,690,787
4. Step 4: Simplify right side
   1,236,522x = 7,240,334,679,369
5. Step 5: Solve for x
   x = 7,240,334,679,369/1,236,522
6. Step 6: Final answer
   x = 5,855,403.04