Finding the Third Proportional to 10,129.50 and 22,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,129.50 : 22,108.50 = 22,108.50 : x
2. Step 2: Convert to fraction form
   10,129.50/22,108.50 = 22,108.50/x
3. Step 3: Cross multiply
   10,129.50x = 22,108.50 × 22,108.50
4. Step 4: Simplify right side
   10,129.50x = 488,785,772.25
5. Step 5: Solve for x
   x = 488,785,772.25/10,129.50
6. Step 6: Final answer
   x = 48,253.69