Finding the Third Proportional to 28,405.50 and 61,799

Step by Step Solution

1. Step 1: Write the proportion equation
   28,405.50 : 61,799 = 61,799 : x
2. Step 2: Convert to fraction form
   28,405.50/61,799 = 61,799/x
3. Step 3: Cross multiply
   28,405.50x = 61,799 × 61,799
4. Step 4: Simplify right side
   28,405.50x = 3,819,116,401
5. Step 5: Solve for x
   x = 3,819,116,401/28,405.50
6. Step 6: Final answer
   x = 134,449.89