Finding the Third Proportional to 128,501,774 and 195,764,162

Step by Step Solution

1. Step 1: Write the proportion equation
   128,501,774 : 195,764,162 = 195,764,162 : x
2. Step 2: Convert to fraction form
   128,501,774/195,764,162 = 195,764,162/x
3. Step 3: Cross multiply
   128,501,774x = 195,764,162 × 195,764,162
4. Step 4: Simplify right side
   128,501,774x = 38,323,607,123,562,240
5. Step 5: Solve for x
   x = 38,323,607,123,562,240/128,501,774
6. Step 6: Final answer
   x = 298,234,070.48