Finding the Third Proportional to 1,866,484 and 3,997,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,484 : 3,997,336 = 3,997,336 : x
2. Step 2: Convert to fraction form
   1,866,484/3,997,336 = 3,997,336/x
3. Step 3: Cross multiply
   1,866,484x = 3,997,336 × 3,997,336
4. Step 4: Simplify right side
   1,866,484x = 15,978,695,096,896
5. Step 5: Solve for x
   x = 15,978,695,096,896/1,866,484
6. Step 6: Final answer
   x = 8,560,852.97