Finding the Third Proportional to 1,105,884 and 1,690,902

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,884 : 1,690,902 = 1,690,902 : x
2. Step 2: Convert to fraction form
   1,105,884/1,690,902 = 1,690,902/x
3. Step 3: Cross multiply
   1,105,884x = 1,690,902 × 1,690,902
4. Step 4: Simplify right side
   1,105,884x = 2,859,149,573,604
5. Step 5: Solve for x
   x = 2,859,149,573,604/1,105,884
6. Step 6: Final answer
   x = 2,585,397.36