Finding the Third Proportional to 28,405.50 and 59,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,405.50 : 59,749.50 = 59,749.50 : x
2. Step 2: Convert to fraction form
   28,405.50/59,749.50 = 59,749.50/x
3. Step 3: Cross multiply
   28,405.50x = 59,749.50 × 59,749.50
4. Step 4: Simplify right side
   28,405.50x = 3,570,002,750.25
5. Step 5: Solve for x
   x = 3,570,002,750.25/28,405.50
6. Step 6: Final answer
   x = 125,679.98