Finding the Third Proportional to 88,729,407,796 and 209,248,578,016

Step by Step Solution

1. Step 1: Write the proportion equation
   88,729,407,796 : 209,248,578,016 = 209,248,578,016 : x
2. Step 2: Convert to fraction form
   88,729,407,796/209,248,578,016 = 209,248,578,016/x
3. Step 3: Cross multiply
   88,729,407,796x = 209,248,578,016 × 209,248,578,016
4. Step 4: Simplify right side
   88,729,407,796x = 43,784,967,401,718,039,969,792
5. Step 5: Solve for x
   x = 43,784,967,401,718,039,969,792/88,729,407,796
6. Step 6: Final answer
   x = 493,466,241,794.21