Finding the Third Proportional to 31,037,958 and 73,165,104

Step by Step Solution

1. Step 1: Write the proportion equation
   31,037,958 : 73,165,104 = 73,165,104 : x
2. Step 2: Convert to fraction form
   31,037,958/73,165,104 = 73,165,104/x
3. Step 3: Cross multiply
   31,037,958x = 73,165,104 × 73,165,104
4. Step 4: Simplify right side
   31,037,958x = 5,353,132,443,330,816
5. Step 5: Solve for x
   x = 5,353,132,443,330,816/31,037,958
6. Step 6: Final answer
   x = 172,470,509.93