Finding the Third Proportional to 1,609,922 and 2,178,681

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609,922 : 2,178,681 = 2,178,681 : x
2. Step 2: Convert to fraction form
   1,609,922/2,178,681 = 2,178,681/x
3. Step 3: Cross multiply
   1,609,922x = 2,178,681 × 2,178,681
4. Step 4: Simplify right side
   1,609,922x = 4,746,650,899,761
5. Step 5: Solve for x
   x = 4,746,650,899,761/1,609,922
6. Step 6: Final answer
   x = 2,948,373.21