Finding the Third Proportional to 30,457.50 and 45,560.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,457.50 : 45,560.25 = 45,560.25 : x
2. Step 2: Convert to fraction form
   30,457.50/45,560.25 = 45,560.25/x
3. Step 3: Cross multiply
   30,457.50x = 45,560.25 × 45,560.25
4. Step 4: Simplify right side
   30,457.50x = 2,075,736,380.06
5. Step 5: Solve for x
   x = 2,075,736,380.06/30,457.50
6. Step 6: Final answer
   x = 68,151.90