Finding the Third Proportional to 63,215,980 and 137,918,016

Step by Step Solution

1. Step 1: Write the proportion equation
   63,215,980 : 137,918,016 = 137,918,016 : x
2. Step 2: Convert to fraction form
   63,215,980/137,918,016 = 137,918,016/x
3. Step 3: Cross multiply
   63,215,980x = 137,918,016 × 137,918,016
4. Step 4: Simplify right side
   63,215,980x = 19,021,379,137,376,256
5. Step 5: Solve for x
   x = 19,021,379,137,376,256/63,215,980
6. Step 6: Final answer
   x = 300,895,108.13