Finding the Third Proportional to 1,817,870 and 3,954,961

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,870 : 3,954,961 = 3,954,961 : x
2. Step 2: Convert to fraction form
   1,817,870/3,954,961 = 3,954,961/x
3. Step 3: Cross multiply
   1,817,870x = 3,954,961 × 3,954,961
4. Step 4: Simplify right side
   1,817,870x = 15,641,716,511,521
5. Step 5: Solve for x
   x = 15,641,716,511,521/1,817,870
6. Step 6: Final answer
   x = 8,604,419.74