Finding the Third Proportional to 5,090,495 and 10,978,021

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090,495 : 10,978,021 = 10,978,021 : x
2. Step 2: Convert to fraction form
   5,090,495/10,978,021 = 10,978,021/x
3. Step 3: Cross multiply
   5,090,495x = 10,978,021 × 10,978,021
4. Step 4: Simplify right side
   5,090,495x = 120,516,945,076,441
5. Step 5: Solve for x
   x = 120,516,945,076,441/5,090,495
6. Step 6: Final answer
   x = 23,674,897.05