Finding the Third Proportional to 9,661,254 and 19,741,980

Step by Step Solution

1. Step 1: Write the proportion equation
   9,661,254 : 19,741,980 = 19,741,980 : x
2. Step 2: Convert to fraction form
   9,661,254/19,741,980 = 19,741,980/x
3. Step 3: Cross multiply
   9,661,254x = 19,741,980 × 19,741,980
4. Step 4: Simplify right side
   9,661,254x = 389,745,774,320,400
5. Step 5: Solve for x
   x = 389,745,774,320,400/9,661,254
6. Step 6: Final answer
   x = 40,341,116.62