Finding the Third Proportional to 39,188,362 and 54,811,456

Step by Step Solution

1. Step 1: Write the proportion equation
   39,188,362 : 54,811,456 = 54,811,456 : x
2. Step 2: Convert to fraction form
   39,188,362/54,811,456 = 54,811,456/x
3. Step 3: Cross multiply
   39,188,362x = 54,811,456 × 54,811,456
4. Step 4: Simplify right side
   39,188,362x = 3,004,295,708,839,936
5. Step 5: Solve for x
   x = 3,004,295,708,839,936/39,188,362
6. Step 6: Final answer
   x = 76,662,956.95