Finding the Third Proportional to 49,942,571,224 and 72,158,390,938

Step by Step Solution

1. Step 1: Write the proportion equation
   49,942,571,224 : 72,158,390,938 = 72,158,390,938 : x
2. Step 2: Convert to fraction form
   49,942,571,224/72,158,390,938 = 72,158,390,938/x
3. Step 3: Cross multiply
   49,942,571,224x = 72,158,390,938 × 72,158,390,938
4. Step 4: Simplify right side
   49,942,571,224x = 5,206,833,382,761,240,199,168
5. Step 5: Solve for x
   x = 5,206,833,382,761,240,199,168/49,942,571,224
6. Step 6: Final answer
   x = 104,256,414,020.17