Finding the Third Proportional to 30,719.25 and 45,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,719.25 : 45,886.50 = 45,886.50 : x
2. Step 2: Convert to fraction form
   30,719.25/45,886.50 = 45,886.50/x
3. Step 3: Cross multiply
   30,719.25x = 45,886.50 × 45,886.50
4. Step 4: Simplify right side
   30,719.25x = 2,105,570,882.25
5. Step 5: Solve for x
   x = 2,105,570,882.25/30,719.25
6. Step 6: Final answer
   x = 68,542.39