Finding the Third Proportional to 8,815,886,258 and 19,181,387,404

Step by Step Solution

1. Step 1: Write the proportion equation
   8,815,886,258 : 19,181,387,404 = 19,181,387,404 : x
2. Step 2: Convert to fraction form
   8,815,886,258/19,181,387,404 = 19,181,387,404/x
3. Step 3: Cross multiply
   8,815,886,258x = 19,181,387,404 × 19,181,387,404
4. Step 4: Simplify right side
   8,815,886,258x = 367,925,622,742,329,851,904
5. Step 5: Solve for x
   x = 367,925,622,742,329,851,904/8,815,886,258
6. Step 6: Final answer
   x = 41,734,388,577.04