Finding the Third Proportional to 641,018 and 1,367,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,018 : 1,367,842.50 = 1,367,842.50 : x
2. Step 2: Convert to fraction form
   641,018/1,367,842.50 = 1,367,842.50/x
3. Step 3: Cross multiply
   641,018x = 1,367,842.50 × 1,367,842.50
4. Step 4: Simplify right side
   641,018x = 1,870,993,104,806.25
5. Step 5: Solve for x
   x = 1,870,993,104,806.25/641,018
6. Step 6: Final answer
   x = 2,918,784.04