Finding the Third Proportional to 2,141,836 and 4,656,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,836 : 4,656,920 = 4,656,920 : x
2. Step 2: Convert to fraction form
   2,141,836/4,656,920 = 4,656,920/x
3. Step 3: Cross multiply
   2,141,836x = 4,656,920 × 4,656,920
4. Step 4: Simplify right side
   2,141,836x = 21,686,903,886,400
5. Step 5: Solve for x
   x = 21,686,903,886,400/2,141,836
6. Step 6: Final answer
   x = 10,125,380.23