Finding the Third Proportional to 103,659,431 and 239,978,144

Step by Step Solution

1. Step 1: Write the proportion equation
   103,659,431 : 239,978,144 = 239,978,144 : x
2. Step 2: Convert to fraction form
   103,659,431/239,978,144 = 239,978,144/x
3. Step 3: Cross multiply
   103,659,431x = 239,978,144 × 239,978,144
4. Step 4: Simplify right side
   103,659,431x = 57,589,509,597,684,736
5. Step 5: Solve for x
   x = 57,589,509,597,684,736/103,659,431
6. Step 6: Final answer
   x = 555,564,593.03