Finding the Third Proportional to 10,100.25 and 20,702.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.25 : 20,702.25 = 20,702.25 : x
2. Step 2: Convert to fraction form
   10,100.25/20,702.25 = 20,702.25/x
3. Step 3: Cross multiply
   10,100.25x = 20,702.25 × 20,702.25
4. Step 4: Simplify right side
   10,100.25x = 428,583,155.06
5. Step 5: Solve for x
   x = 428,583,155.06/10,100.25
6. Step 6: Final answer
   x = 42,432.93