Finding the Third Proportional to 444,106.50 and 641,010

Step by Step Solution

1. Step 1: Write the proportion equation
   444,106.50 : 641,010 = 641,010 : x
2. Step 2: Convert to fraction form
   444,106.50/641,010 = 641,010/x
3. Step 3: Cross multiply
   444,106.50x = 641,010 × 641,010
4. Step 4: Simplify right side
   444,106.50x = 410,893,820,100
5. Step 5: Solve for x
   x = 410,893,820,100/444,106.50
6. Step 6: Final answer
   x = 925,214.61