Finding the Third Proportional to 73,261,440 and 144,679,008

Step by Step Solution

1. Step 1: Write the proportion equation
   73,261,440 : 144,679,008 = 144,679,008 : x
2. Step 2: Convert to fraction form
   73,261,440/144,679,008 = 144,679,008/x
3. Step 3: Cross multiply
   73,261,440x = 144,679,008 × 144,679,008
4. Step 4: Simplify right side
   73,261,440x = 20,932,015,355,864,064
5. Step 5: Solve for x
   x = 20,932,015,355,864,064/73,261,440
6. Step 6: Final answer
   x = 285,716,679.28