Finding the Third Proportional to 28,563 and 62,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,563 : 62,818.50 = 62,818.50 : x
2. Step 2: Convert to fraction form
   28,563/62,818.50 = 62,818.50/x
3. Step 3: Cross multiply
   28,563x = 62,818.50 × 62,818.50
4. Step 4: Simplify right side
   28,563x = 3,946,163,942.25
5. Step 5: Solve for x
   x = 3,946,163,942.25/28,563
6. Step 6: Final answer
   x = 138,156.49