Finding the Third Proportional to 55,570,588,540 and 74,977,770,974

Step by Step Solution

1. Step 1: Write the proportion equation
   55,570,588,540 : 74,977,770,974 = 74,977,770,974 : x
2. Step 2: Convert to fraction form
   55,570,588,540/74,977,770,974 = 74,977,770,974/x
3. Step 3: Cross multiply
   55,570,588,540x = 74,977,770,974 × 74,977,770,974
4. Step 4: Simplify right side
   55,570,588,540x = 5,621,666,140,229,597,134,848
5. Step 5: Solve for x
   x = 5,621,666,140,229,597,134,848/55,570,588,540
6. Step 6: Final answer
   x = 101,162,616,555.39