Finding the Third Proportional to 49,965,987 and 74,533,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,965,987 : 74,533,072.50 = 74,533,072.50 : x
2. Step 2: Convert to fraction form
   49,965,987/74,533,072.50 = 74,533,072.50/x
3. Step 3: Cross multiply
   49,965,987x = 74,533,072.50 × 74,533,072.50
4. Step 4: Simplify right side
   49,965,987x = 5,555,178,896,290,256
5. Step 5: Solve for x
   x = 5,555,178,896,290,256/49,965,987
6. Step 6: Final answer
   x = 111,179,208.69