Finding the Third Proportional to 1,865,544 and 3,955,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,544 : 3,955,278 = 3,955,278 : x
2. Step 2: Convert to fraction form
   1,865,544/3,955,278 = 3,955,278/x
3. Step 3: Cross multiply
   1,865,544x = 3,955,278 × 3,955,278
4. Step 4: Simplify right side
   1,865,544x = 15,644,224,057,284
5. Step 5: Solve for x
   x = 15,644,224,057,284/1,865,544
6. Step 6: Final answer
   x = 8,385,877.82