Finding the Third Proportional to 2,159,773 and 4,665,910

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,773 : 4,665,910 = 4,665,910 : x
2. Step 2: Convert to fraction form
   2,159,773/4,665,910 = 4,665,910/x
3. Step 3: Cross multiply
   2,159,773x = 4,665,910 × 4,665,910
4. Step 4: Simplify right side
   2,159,773x = 21,770,716,128,100
5. Step 5: Solve for x
   x = 21,770,716,128,100/2,159,773
6. Step 6: Final answer
   x = 10,080,094.59