Finding the Third Proportional to 1,088,710 and 1,689,897

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088,710 : 1,689,897 = 1,689,897 : x
2. Step 2: Convert to fraction form
   1,088,710/1,689,897 = 1,689,897/x
3. Step 3: Cross multiply
   1,088,710x = 1,689,897 × 1,689,897
4. Step 4: Simplify right side
   1,088,710x = 2,855,751,870,609
5. Step 5: Solve for x
   x = 2,855,751,870,609/1,088,710
6. Step 6: Final answer
   x = 2,623,060.20