Finding the Third Proportional to 1,914,990 and 2,912,274

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914,990 : 2,912,274 = 2,912,274 : x
2. Step 2: Convert to fraction form
   1,914,990/2,912,274 = 2,912,274/x
3. Step 3: Cross multiply
   1,914,990x = 2,912,274 × 2,912,274
4. Step 4: Simplify right side
   1,914,990x = 8,481,339,851,076
5. Step 5: Solve for x
   x = 8,481,339,851,076/1,914,990
6. Step 6: Final answer
   x = 4,428,921.22