Finding the Third Proportional to 2,118,172 and 3,232,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,172 : 3,232,680 = 3,232,680 : x
2. Step 2: Convert to fraction form
   2,118,172/3,232,680 = 3,232,680/x
3. Step 3: Cross multiply
   2,118,172x = 3,232,680 × 3,232,680
4. Step 4: Simplify right side
   2,118,172x = 10,450,219,982,400
5. Step 5: Solve for x
   x = 10,450,219,982,400/2,118,172
6. Step 6: Final answer
   x = 4,933,603.12