Finding the Third Proportional to 1,827,486 and 3,927,132

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827,486 : 3,927,132 = 3,927,132 : x
2. Step 2: Convert to fraction form
   1,827,486/3,927,132 = 3,927,132/x
3. Step 3: Cross multiply
   1,827,486x = 3,927,132 × 3,927,132
4. Step 4: Simplify right side
   1,827,486x = 15,422,365,745,424
5. Step 5: Solve for x
   x = 15,422,365,745,424/1,827,486
6. Step 6: Final answer
   x = 8,439,115.67