Finding the Third Proportional to 28,557 and 42,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,557 : 42,835.50 = 42,835.50 : x
2. Step 2: Convert to fraction form
   28,557/42,835.50 = 42,835.50/x
3. Step 3: Cross multiply
   28,557x = 42,835.50 × 42,835.50
4. Step 4: Simplify right side
   28,557x = 1,834,880,060.25
5. Step 5: Solve for x
   x = 1,834,880,060.25/28,557
6. Step 6: Final answer
   x = 64,253.25