Finding the Third Proportional to 28,740 and 42,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,740 : 42,933.50 = 42,933.50 : x
2. Step 2: Convert to fraction form
   28,740/42,933.50 = 42,933.50/x
3. Step 3: Cross multiply
   28,740x = 42,933.50 × 42,933.50
4. Step 4: Simplify right side
   28,740x = 1,843,285,422.25
5. Step 5: Solve for x
   x = 1,843,285,422.25/28,740
6. Step 6: Final answer
   x = 64,136.58