Finding the Third Proportional to 33,481,972.69 and 68,309,104.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,481,972.69 : 68,309,104.78 = 68,309,104.78 : x
2. Step 2: Convert to fraction form
   33,481,972.69/68,309,104.78 = 68,309,104.78/x
3. Step 3: Cross multiply
   33,481,972.69x = 68,309,104.78 × 68,309,104.78
4. Step 4: Simplify right side
   33,481,972.69x = 4,666,133,796,015,792
5. Step 5: Solve for x
   x = 4,666,133,796,015,792/33,481,972.69
6. Step 6: Final answer
   x = 139,362,571.00