Finding the Third Proportional to 28,777 and 42,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,777 : 42,133.50 = 42,133.50 : x
2. Step 2: Convert to fraction form
   28,777/42,133.50 = 42,133.50/x
3. Step 3: Cross multiply
   28,777x = 42,133.50 × 42,133.50
4. Step 4: Simplify right side
   28,777x = 1,775,231,822.25
5. Step 5: Solve for x
   x = 1,775,231,822.25/28,777
6. Step 6: Final answer
   x = 61,689.26