Finding the Third Proportional to 9,260,166 and 19,942,608

Step by Step Solution

1. Step 1: Write the proportion equation
   9,260,166 : 19,942,608 = 19,942,608 : x
2. Step 2: Convert to fraction form
   9,260,166/19,942,608 = 19,942,608/x
3. Step 3: Cross multiply
   9,260,166x = 19,942,608 × 19,942,608
4. Step 4: Simplify right side
   9,260,166x = 397,707,613,841,664
5. Step 5: Solve for x
   x = 397,707,613,841,664/9,260,166
6. Step 6: Final answer
   x = 42,948,216.46