Finding the Third Proportional to 641,646 and 897,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,646 : 897,034.50 = 897,034.50 : x
2. Step 2: Convert to fraction form
   641,646/897,034.50 = 897,034.50/x
3. Step 3: Cross multiply
   641,646x = 897,034.50 × 897,034.50
4. Step 4: Simplify right side
   641,646x = 804,670,894,190.25
5. Step 5: Solve for x
   x = 804,670,894,190.25/641,646
6. Step 6: Final answer
   x = 1,254,072.95