Finding the Third Proportional to 13,081,672,436 and 19,617,705,998

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081,672,436 : 19,617,705,998 = 19,617,705,998 : x
2. Step 2: Convert to fraction form
   13,081,672,436/19,617,705,998 = 19,617,705,998/x
3. Step 3: Cross multiply
   13,081,672,436x = 19,617,705,998 × 19,617,705,998
4. Step 4: Simplify right side
   13,081,672,436x = 384,854,388,623,965,159,424
5. Step 5: Solve for x
   x = 384,854,388,623,965,159,424/13,081,672,436
6. Step 6: Final answer
   x = 29,419,356,776.19