Finding the Third Proportional to 9,907.50 and 21,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.50 : 21,466.50 = 21,466.50 : x
2. Step 2: Convert to fraction form
   9,907.50/21,466.50 = 21,466.50/x
3. Step 3: Cross multiply
   9,907.50x = 21,466.50 × 21,466.50
4. Step 4: Simplify right side
   9,907.50x = 460,810,622.25
5. Step 5: Solve for x
   x = 460,810,622.25/9,907.50
6. Step 6: Final answer
   x = 46,511.29