Finding the Third Proportional to 1,827,484 and 3,927,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827,484 : 3,927,128 = 3,927,128 : x
2. Step 2: Convert to fraction form
   1,827,484/3,927,128 = 3,927,128/x
3. Step 3: Cross multiply
   1,827,484x = 3,927,128 × 3,927,128
4. Step 4: Simplify right side
   1,827,484x = 15,422,334,328,384
5. Step 5: Solve for x
   x = 15,422,334,328,384/1,827,484
6. Step 6: Final answer
   x = 8,439,107.72