Finding the Third Proportional to 1,427,376 and 3,138,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,376 : 3,138,648 = 3,138,648 : x
2. Step 2: Convert to fraction form
   1,427,376/3,138,648 = 3,138,648/x
3. Step 3: Cross multiply
   1,427,376x = 3,138,648 × 3,138,648
4. Step 4: Simplify right side
   1,427,376x = 9,851,111,267,904
5. Step 5: Solve for x
   x = 9,851,111,267,904/1,427,376
6. Step 6: Final answer
   x = 6,901,553.11