Finding the Third Proportional to 9,103,278 and 19,555,980

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103,278 : 19,555,980 = 19,555,980 : x
2. Step 2: Convert to fraction form
   9,103,278/19,555,980 = 19,555,980/x
3. Step 3: Cross multiply
   9,103,278x = 19,555,980 × 19,555,980
4. Step 4: Simplify right side
   9,103,278x = 382,436,353,760,400
5. Step 5: Solve for x
   x = 382,436,353,760,400/9,103,278
6. Step 6: Final answer
   x = 42,010,839.81