Finding the Third Proportional to 1,109,780 and 1,664,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,780 : 1,664,822 = 1,664,822 : x
2. Step 2: Convert to fraction form
   1,109,780/1,664,822 = 1,664,822/x
3. Step 3: Cross multiply
   1,109,780x = 1,664,822 × 1,664,822
4. Step 4: Simplify right side
   1,109,780x = 2,771,632,291,684
5. Step 5: Solve for x
   x = 2,771,632,291,684/1,109,780
6. Step 6: Final answer
   x = 2,497,461.02