Finding the Third Proportional to 28,822.50 and 62,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,822.50 : 62,707.50 = 62,707.50 : x
2. Step 2: Convert to fraction form
   28,822.50/62,707.50 = 62,707.50/x
3. Step 3: Cross multiply
   28,822.50x = 62,707.50 × 62,707.50
4. Step 4: Simplify right side
   28,822.50x = 3,932,230,556.25
5. Step 5: Solve for x
   x = 3,932,230,556.25/28,822.50
6. Step 6: Final answer
   x = 136,429.20