Finding the Third Proportional to 2,236,264 and 2,979,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236,264 : 2,979,420 = 2,979,420 : x
2. Step 2: Convert to fraction form
   2,236,264/2,979,420 = 2,979,420/x
3. Step 3: Cross multiply
   2,236,264x = 2,979,420 × 2,979,420
4. Step 4: Simplify right side
   2,236,264x = 8,876,943,536,400
5. Step 5: Solve for x
   x = 8,876,943,536,400/2,236,264
6. Step 6: Final answer
   x = 3,969,541.85