Finding the Third Proportional to 641,604 and 897,008.25

Step by Step Solution

1. Step 1: Write the proportion equation
   641,604 : 897,008.25 = 897,008.25 : x
2. Step 2: Convert to fraction form
   641,604/897,008.25 = 897,008.25/x
3. Step 3: Cross multiply
   641,604x = 897,008.25 × 897,008.25
4. Step 4: Simplify right side
   641,604x = 804,623,800,568.06
5. Step 5: Solve for x
   x = 804,623,800,568.06/641,604
6. Step 6: Final answer
   x = 1,254,081.65