Finding the Third Proportional to 24,300 and 39,679.50

Step by Step Solution

1. Step 1: Write the proportion equation
   24,300 : 39,679.50 = 39,679.50 : x
2. Step 2: Convert to fraction form
   24,300/39,679.50 = 39,679.50/x
3. Step 3: Cross multiply
   24,300x = 39,679.50 × 39,679.50
4. Step 4: Simplify right side
   24,300x = 1,574,462,720.25
5. Step 5: Solve for x
   x = 1,574,462,720.25/24,300
6. Step 6: Final answer
   x = 64,792.70