Finding the Third Proportional to 28,547.50 and 60,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,547.50 : 60,172.50 = 60,172.50 : x
2. Step 2: Convert to fraction form
   28,547.50/60,172.50 = 60,172.50/x
3. Step 3: Cross multiply
   28,547.50x = 60,172.50 × 60,172.50
4. Step 4: Simplify right side
   28,547.50x = 3,620,729,756.25
5. Step 5: Solve for x
   x = 3,620,729,756.25/28,547.50
6. Step 6: Final answer
   x = 126,831.76