Finding the Third Proportional to 1,109,166 and 1,712,661

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,166 : 1,712,661 = 1,712,661 : x
2. Step 2: Convert to fraction form
   1,109,166/1,712,661 = 1,712,661/x
3. Step 3: Cross multiply
   1,109,166x = 1,712,661 × 1,712,661
4. Step 4: Simplify right side
   1,109,166x = 2,933,207,700,921
5. Step 5: Solve for x
   x = 2,933,207,700,921/1,109,166
6. Step 6: Final answer
   x = 2,644,516.42