Finding the Third Proportional to 635,043 and 905,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   635,043 : 905,269.50 = 905,269.50 : x
2. Step 2: Convert to fraction form
   635,043/905,269.50 = 905,269.50/x
3. Step 3: Cross multiply
   635,043x = 905,269.50 × 905,269.50
4. Step 4: Simplify right side
   635,043x = 819,512,867,630.25
5. Step 5: Solve for x
   x = 819,512,867,630.25/635,043
6. Step 6: Final answer
   x = 1,290,484.06