Finding the Third Proportional to 1,427,368 and 3,138,632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,368 : 3,138,632 = 3,138,632 : x
2. Step 2: Convert to fraction form
   1,427,368/3,138,632 = 3,138,632/x
3. Step 3: Cross multiply
   1,427,368x = 3,138,632 × 3,138,632
4. Step 4: Simplify right side
   1,427,368x = 9,851,010,831,424
5. Step 5: Solve for x
   x = 9,851,010,831,424/1,427,368
6. Step 6: Final answer
   x = 6,901,521.42