Finding the Third Proportional to 2,158,761 and 4,649,763

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,761 : 4,649,763 = 4,649,763 : x
2. Step 2: Convert to fraction form
   2,158,761/4,649,763 = 4,649,763/x
3. Step 3: Cross multiply
   2,158,761x = 4,649,763 × 4,649,763
4. Step 4: Simplify right side
   2,158,761x = 21,620,295,956,169
5. Step 5: Solve for x
   x = 21,620,295,956,169/2,158,761
6. Step 6: Final answer
   x = 10,015,141.07