Finding the Third Proportional to 20,128.50 and 29,577.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,128.50 : 29,577.25 = 29,577.25 : x
2. Step 2: Convert to fraction form
   20,128.50/29,577.25 = 29,577.25/x
3. Step 3: Cross multiply
   20,128.50x = 29,577.25 × 29,577.25
4. Step 4: Simplify right side
   20,128.50x = 874,813,717.56
5. Step 5: Solve for x
   x = 874,813,717.56/20,128.50
6. Step 6: Final answer
   x = 43,461.45