Finding the Third Proportional to 1,860,384 and 2,790,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860,384 : 2,790,576 = 2,790,576 : x
2. Step 2: Convert to fraction form
   1,860,384/2,790,576 = 2,790,576/x
3. Step 3: Cross multiply
   1,860,384x = 2,790,576 × 2,790,576
4. Step 4: Simplify right side
   1,860,384x = 7,787,314,411,776
5. Step 5: Solve for x
   x = 7,787,314,411,776/1,860,384
6. Step 6: Final answer
   x = 4,185,864