Finding the Third Proportional to 1,265,787 and 1,690,875

Step by Step Solution

1. Step 1: Write the proportion equation
   1,265,787 : 1,690,875 = 1,690,875 : x
2. Step 2: Convert to fraction form
   1,265,787/1,690,875 = 1,690,875/x
3. Step 3: Cross multiply
   1,265,787x = 1,690,875 × 1,690,875
4. Step 4: Simplify right side
   1,265,787x = 2,859,058,265,625
5. Step 5: Solve for x
   x = 2,859,058,265,625/1,265,787
6. Step 6: Final answer
   x = 2,258,719.88