Finding the Third Proportional to 30,453.75 and 45,536.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,453.75 : 45,536.25 = 45,536.25 : x
2. Step 2: Convert to fraction form
   30,453.75/45,536.25 = 45,536.25/x
3. Step 3: Cross multiply
   30,453.75x = 45,536.25 × 45,536.25
4. Step 4: Simplify right side
   30,453.75x = 2,073,550,064.06
5. Step 5: Solve for x
   x = 2,073,550,064.06/30,453.75
6. Step 6: Final answer
   x = 68,088.50