Finding the Third Proportional to 1,205,890 and 1,919,534

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,890 : 1,919,534 = 1,919,534 : x
2. Step 2: Convert to fraction form
   1,205,890/1,919,534 = 1,919,534/x
3. Step 3: Cross multiply
   1,205,890x = 1,919,534 × 1,919,534
4. Step 4: Simplify right side
   1,205,890x = 3,684,610,777,156
5. Step 5: Solve for x
   x = 3,684,610,777,156/1,205,890
6. Step 6: Final answer
   x = 3,055,511.51