Finding the Third Proportional to 641,895 and 897,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,895 : 897,364.50 = 897,364.50 : x
2. Step 2: Convert to fraction form
   641,895/897,364.50 = 897,364.50/x
3. Step 3: Cross multiply
   641,895x = 897,364.50 × 897,364.50
4. Step 4: Simplify right side
   641,895x = 805,263,045,860.25
5. Step 5: Solve for x
   x = 805,263,045,860.25/641,895
6. Step 6: Final answer
   x = 1,254,508.99