Finding the Third Proportional to 56,396,884 and 123,540,200

Step by Step Solution

1. Step 1: Write the proportion equation
   56,396,884 : 123,540,200 = 123,540,200 : x
2. Step 2: Convert to fraction form
   56,396,884/123,540,200 = 123,540,200/x
3. Step 3: Cross multiply
   56,396,884x = 123,540,200 × 123,540,200
4. Step 4: Simplify right side
   56,396,884x = 15,262,181,016,040,000
5. Step 5: Solve for x
   x = 15,262,181,016,040,000/56,396,884
6. Step 6: Final answer
   x = 270,620,997.71