Finding the Third Proportional to 2,158,380 and 3,118,226

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,380 : 3,118,226 = 3,118,226 : x
2. Step 2: Convert to fraction form
   2,158,380/3,118,226 = 3,118,226/x
3. Step 3: Cross multiply
   2,158,380x = 3,118,226 × 3,118,226
4. Step 4: Simplify right side
   2,158,380x = 9,723,333,387,076
5. Step 5: Solve for x
   x = 9,723,333,387,076/2,158,380
6. Step 6: Final answer
   x = 4,504,921.93