Finding the Third Proportional to 28,692 and 43,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,692 : 43,039.50 = 43,039.50 : x
2. Step 2: Convert to fraction form
   28,692/43,039.50 = 43,039.50/x
3. Step 3: Cross multiply
   28,692x = 43,039.50 × 43,039.50
4. Step 4: Simplify right side
   28,692x = 1,852,398,560.25
5. Step 5: Solve for x
   x = 1,852,398,560.25/28,692
6. Step 6: Final answer
   x = 64,561.50