Finding the Third Proportional to 9,903.75 and 21,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.75 : 21,751.50 = 21,751.50 : x
2. Step 2: Convert to fraction form
   9,903.75/21,751.50 = 21,751.50/x
3. Step 3: Cross multiply
   9,903.75x = 21,751.50 × 21,751.50
4. Step 4: Simplify right side
   9,903.75x = 473,127,752.25
5. Step 5: Solve for x
   x = 473,127,752.25/9,903.75
6. Step 6: Final answer
   x = 47,772.59