Finding the Third Proportional to 13,081,672,432 and 19,617,705,992

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081,672,432 : 19,617,705,992 = 19,617,705,992 : x
2. Step 2: Convert to fraction form
   13,081,672,432/19,617,705,992 = 19,617,705,992/x
3. Step 3: Cross multiply
   13,081,672,432x = 19,617,705,992 × 19,617,705,992
4. Step 4: Simplify right side
   13,081,672,432x = 384,854,388,388,552,704,000
5. Step 5: Solve for x
   x = 384,854,388,388,552,704,000/13,081,672,432
6. Step 6: Final answer
   x = 29,419,356,767.19