Finding the Third Proportional to 2,037,990 and 4,164,468

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037,990 : 4,164,468 = 4,164,468 : x
2. Step 2: Convert to fraction form
   2,037,990/4,164,468 = 4,164,468/x
3. Step 3: Cross multiply
   2,037,990x = 4,164,468 × 4,164,468
4. Step 4: Simplify right side
   2,037,990x = 17,342,793,723,024
5. Step 5: Solve for x
   x = 17,342,793,723,024/2,037,990
6. Step 6: Final answer
   x = 8,509,754.08