Finding the Third Proportional to 28,732.50 and 42,005.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,732.50 : 42,005.25 = 42,005.25 : x
2. Step 2: Convert to fraction form
   28,732.50/42,005.25 = 42,005.25/x
3. Step 3: Cross multiply
   28,732.50x = 42,005.25 × 42,005.25
4. Step 4: Simplify right side
   28,732.50x = 1,764,441,027.56
5. Step 5: Solve for x
   x = 1,764,441,027.56/28,732.50
6. Step 6: Final answer
   x = 61,409.24