Finding the Third Proportional to 948,390 and 2,054,172

Step by Step Solution

1. Step 1: Write the proportion equation
   948,390 : 2,054,172 = 2,054,172 : x
2. Step 2: Convert to fraction form
   948,390/2,054,172 = 2,054,172/x
3. Step 3: Cross multiply
   948,390x = 2,054,172 × 2,054,172
4. Step 4: Simplify right side
   948,390x = 4,219,622,605,584
5. Step 5: Solve for x
   x = 4,219,622,605,584/948,390
6. Step 6: Final answer
   x = 4,449,248.31