Finding the Third Proportional to 45,241.50 and 72,564.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,241.50 : 72,564.75 = 72,564.75 : x
2. Step 2: Convert to fraction form
   45,241.50/72,564.75 = 72,564.75/x
3. Step 3: Cross multiply
   45,241.50x = 72,564.75 × 72,564.75
4. Step 4: Simplify right side
   45,241.50x = 5,265,642,942.56
5. Step 5: Solve for x
   x = 5,265,642,942.56/45,241.50
6. Step 6: Final answer
   x = 116,389.66