Finding the Third Proportional to 1,865,554 and 3,955,299

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,554 : 3,955,299 = 3,955,299 : x
2. Step 2: Convert to fraction form
   1,865,554/3,955,299 = 3,955,299/x
3. Step 3: Cross multiply
   1,865,554x = 3,955,299 × 3,955,299
4. Step 4: Simplify right side
   1,865,554x = 15,644,390,179,401
5. Step 5: Solve for x
   x = 15,644,390,179,401/1,865,554
6. Step 6: Final answer
   x = 8,385,921.92