Finding the Third Proportional to 28,405.75 and 61,799.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,405.75 : 61,799.25 = 61,799.25 : x
2. Step 2: Convert to fraction form
   28,405.75/61,799.25 = 61,799.25/x
3. Step 3: Cross multiply
   28,405.75x = 61,799.25 × 61,799.25
4. Step 4: Simplify right side
   28,405.75x = 3,819,147,300.56
5. Step 5: Solve for x
   x = 3,819,147,300.56/28,405.75
6. Step 6: Final answer
   x = 134,449.80