Finding the Third Proportional to 1,071,362 and 1,620,867

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,362 : 1,620,867 = 1,620,867 : x
2. Step 2: Convert to fraction form
   1,071,362/1,620,867 = 1,620,867/x
3. Step 3: Cross multiply
   1,071,362x = 1,620,867 × 1,620,867
4. Step 4: Simplify right side
   1,071,362x = 2,627,209,831,689
5. Step 5: Solve for x
   x = 2,627,209,831,689/1,071,362
6. Step 6: Final answer
   x = 2,452,214.87