Finding the Third Proportional to 1,088,708 and 1,689,894

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088,708 : 1,689,894 = 1,689,894 : x
2. Step 2: Convert to fraction form
   1,088,708/1,689,894 = 1,689,894/x
3. Step 3: Cross multiply
   1,088,708x = 1,689,894 × 1,689,894
4. Step 4: Simplify right side
   1,088,708x = 2,855,741,731,236
5. Step 5: Solve for x
   x = 2,855,741,731,236/1,088,708
6. Step 6: Final answer
   x = 2,623,055.71