Finding the Third Proportional to 30,457 and 45,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,457 : 45,559.50 = 45,559.50 : x
2. Step 2: Convert to fraction form
   30,457/45,559.50 = 45,559.50/x
3. Step 3: Cross multiply
   30,457x = 45,559.50 × 45,559.50
4. Step 4: Simplify right side
   30,457x = 2,075,668,040.25
5. Step 5: Solve for x
   x = 2,075,668,040.25/30,457
6. Step 6: Final answer
   x = 68,150.77