Finding the Third Proportional to 59,875,686 and 123,858,558

Step by Step Solution

1. Step 1: Write the proportion equation
   59,875,686 : 123,858,558 = 123,858,558 : x
2. Step 2: Convert to fraction form
   59,875,686/123,858,558 = 123,858,558/x
3. Step 3: Cross multiply
   59,875,686x = 123,858,558 × 123,858,558
4. Step 4: Simplify right side
   59,875,686x = 15,340,942,389,839,364
5. Step 5: Solve for x
   x = 15,340,942,389,839,364/59,875,686
6. Step 6: Final answer
   x = 256,213,221.34