Finding the Third Proportional to 1,077,540 and 1,690,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,540 : 1,690,344 = 1,690,344 : x
2. Step 2: Convert to fraction form
   1,077,540/1,690,344 = 1,690,344/x
3. Step 3: Cross multiply
   1,077,540x = 1,690,344 × 1,690,344
4. Step 4: Simplify right side
   1,077,540x = 2,857,262,838,336
5. Step 5: Solve for x
   x = 2,857,262,838,336/1,077,540
6. Step 6: Final answer
   x = 2,651,653.62