Finding the Third Proportional to 2,155,178 and 3,137,996

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,178 : 3,137,996 = 3,137,996 : x
2. Step 2: Convert to fraction form
   2,155,178/3,137,996 = 3,137,996/x
3. Step 3: Cross multiply
   2,155,178x = 3,137,996 × 3,137,996
4. Step 4: Simplify right side
   2,155,178x = 9,847,018,896,016
5. Step 5: Solve for x
   x = 9,847,018,896,016/2,155,178
6. Step 6: Final answer
   x = 4,569,004.92