Finding the Third Proportional to 141,293,378 and 190,839,870

Step by Step Solution

1. Step 1: Write the proportion equation
   141,293,378 : 190,839,870 = 190,839,870 : x
2. Step 2: Convert to fraction form
   141,293,378/190,839,870 = 190,839,870/x
3. Step 3: Cross multiply
   141,293,378x = 190,839,870 × 190,839,870
4. Step 4: Simplify right side
   141,293,378x = 36,419,855,981,616,896
5. Step 5: Solve for x
   x = 36,419,855,981,616,896/141,293,378
6. Step 6: Final answer
   x = 257,760,529.88