Finding the Third Proportional to 49,942,571,220 and 72,158,390,932

Step by Step Solution

1. Step 1: Write the proportion equation
   49,942,571,220 : 72,158,390,932 = 72,158,390,932 : x
2. Step 2: Convert to fraction form
   49,942,571,220/72,158,390,932 = 72,158,390,932/x
3. Step 3: Cross multiply
   49,942,571,220x = 72,158,390,932 × 72,158,390,932
4. Step 4: Simplify right side
   49,942,571,220x = 5,206,833,381,895,339,769,856
5. Step 5: Solve for x
   x = 5,206,833,381,895,339,769,856/49,942,571,220
6. Step 6: Final answer
   x = 104,256,414,011.18