Finding the Third Proportional to 22,002.75 and 53,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.75 : 53,221.50 = 53,221.50 : x
2. Step 2: Convert to fraction form
   22,002.75/53,221.50 = 53,221.50/x
3. Step 3: Cross multiply
   22,002.75x = 53,221.50 × 53,221.50
4. Step 4: Simplify right side
   22,002.75x = 2,832,528,062.25
5. Step 5: Solve for x
   x = 2,832,528,062.25/22,002.75
6. Step 6: Final answer
   x = 128,735.18