Finding the Third Proportional to 18,112.50 and 28,820.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,112.50 : 28,820.25 = 28,820.25 : x
2. Step 2: Convert to fraction form
   18,112.50/28,820.25 = 28,820.25/x
3. Step 3: Cross multiply
   18,112.50x = 28,820.25 × 28,820.25
4. Step 4: Simplify right side
   18,112.50x = 830,606,810.06
5. Step 5: Solve for x
   x = 830,606,810.06/18,112.50
6. Step 6: Final answer
   x = 45,858.21