Finding the Third Proportional to 56,396,880 and 123,540,192

Step by Step Solution

1. Step 1: Write the proportion equation
   56,396,880 : 123,540,192 = 123,540,192 : x
2. Step 2: Convert to fraction form
   56,396,880/123,540,192 = 123,540,192/x
3. Step 3: Cross multiply
   56,396,880x = 123,540,192 × 123,540,192
4. Step 4: Simplify right side
   56,396,880x = 15,262,179,039,396,864
5. Step 5: Solve for x
   x = 15,262,179,039,396,864/56,396,880
6. Step 6: Final answer
   x = 270,620,981.86