Finding the Third Proportional to 28,304.50 and 59,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,304.50 : 59,980.50 = 59,980.50 : x
2. Step 2: Convert to fraction form
   28,304.50/59,980.50 = 59,980.50/x
3. Step 3: Cross multiply
   28,304.50x = 59,980.50 × 59,980.50
4. Step 4: Simplify right side
   28,304.50x = 3,597,660,380.25
5. Step 5: Solve for x
   x = 3,597,660,380.25/28,304.50
6. Step 6: Final answer
   x = 127,105.60