Finding the Third Proportional to 1,427,384 and 3,138,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,384 : 3,138,664 = 3,138,664 : x
2. Step 2: Convert to fraction form
   1,427,384/3,138,664 = 3,138,664/x
3. Step 3: Cross multiply
   1,427,384x = 3,138,664 × 3,138,664
4. Step 4: Simplify right side
   1,427,384x = 9,851,211,704,896
5. Step 5: Solve for x
   x = 9,851,211,704,896/1,427,384
6. Step 6: Final answer
   x = 6,901,584.79