Finding the Third Proportional to 30,409.50 and 45,491.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,409.50 : 45,491.25 = 45,491.25 : x
2. Step 2: Convert to fraction form
   30,409.50/45,491.25 = 45,491.25/x
3. Step 3: Cross multiply
   30,409.50x = 45,491.25 × 45,491.25
4. Step 4: Simplify right side
   30,409.50x = 2,069,453,826.56
5. Step 5: Solve for x
   x = 2,069,453,826.56/30,409.50
6. Step 6: Final answer
   x = 68,052.87