Finding the Third Proportional to 5,090,850 and 10,978,686

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090,850 : 10,978,686 = 10,978,686 : x
2. Step 2: Convert to fraction form
   5,090,850/10,978,686 = 10,978,686/x
3. Step 3: Cross multiply
   5,090,850x = 10,978,686 × 10,978,686
4. Step 4: Simplify right side
   5,090,850x = 120,531,546,286,596
5. Step 5: Solve for x
   x = 120,531,546,286,596/5,090,850
6. Step 6: Final answer
   x = 23,676,114.26