Finding the Third Proportional to 49,942,569,501 and 72,158,388,372

Step by Step Solution

1. Step 1: Write the proportion equation
   49,942,569,501 : 72,158,388,372 = 72,158,388,372 : x
2. Step 2: Convert to fraction form
   49,942,569,501/72,158,388,372 = 72,158,388,372/x
3. Step 3: Cross multiply
   49,942,569,501x = 72,158,388,372 × 72,158,388,372
4. Step 4: Simplify right side
   49,942,569,501x = 5,206,833,012,444,384,722,944
5. Step 5: Solve for x
   x = 5,206,833,012,444,384,722,944/49,942,569,501
6. Step 6: Final answer
   x = 104,256,410,202.13