Finding the Third Proportional to 7,692,878.81 and 12,181,477.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,692,878.81 : 12,181,477.78 = 12,181,477.78 : x
2. Step 2: Convert to fraction form
   7,692,878.81/12,181,477.78 = 12,181,477.78/x
3. Step 3: Cross multiply
   7,692,878.81x = 12,181,477.78 × 12,181,477.78
4. Step 4: Simplify right side
   7,692,878.81x = 148,388,400,935,087.44
5. Step 5: Solve for x
   x = 148,388,400,935,087.44/7,692,878.81
6. Step 6: Final answer
   x = 19,289,059.99