Finding the Third Proportional to 1,113,167 and 1,690,991

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,167 : 1,690,991 = 1,690,991 : x
2. Step 2: Convert to fraction form
   1,113,167/1,690,991 = 1,690,991/x
3. Step 3: Cross multiply
   1,113,167x = 1,690,991 × 1,690,991
4. Step 4: Simplify right side
   1,113,167x = 2,859,450,562,081
5. Step 5: Solve for x
   x = 2,859,450,562,081/1,113,167
6. Step 6: Final answer
   x = 2,568,752.54