Finding the Third Proportional to 19,485,768 and 27,242,256

Step by Step Solution

1. Step 1: Write the proportion equation
   19,485,768 : 27,242,256 = 27,242,256 : x
2. Step 2: Convert to fraction form
   19,485,768/27,242,256 = 27,242,256/x
3. Step 3: Cross multiply
   19,485,768x = 27,242,256 × 27,242,256
4. Step 4: Simplify right side
   19,485,768x = 742,140,511,969,536
5. Step 5: Solve for x
   x = 742,140,511,969,536/19,485,768
6. Step 6: Final answer
   x = 38,086,284.92