Finding the Third Proportional to 5,225,610 and 10,661,174

Step by Step Solution

1. Step 1: Write the proportion equation
   5,225,610 : 10,661,174 = 10,661,174 : x
2. Step 2: Convert to fraction form
   5,225,610/10,661,174 = 10,661,174/x
3. Step 3: Cross multiply
   5,225,610x = 10,661,174 × 10,661,174
4. Step 4: Simplify right side
   5,225,610x = 113,660,631,058,276
5. Step 5: Solve for x
   x = 113,660,631,058,276/5,225,610
6. Step 6: Final answer
   x = 21,750,691.51