Finding the Third Proportional to 12,748.50 and 28,802.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.50 : 28,802.25 = 28,802.25 : x
2. Step 2: Convert to fraction form
   12,748.50/28,802.25 = 28,802.25/x
3. Step 3: Cross multiply
   12,748.50x = 28,802.25 × 28,802.25
4. Step 4: Simplify right side
   12,748.50x = 829,569,605.06
5. Step 5: Solve for x
   x = 829,569,605.06/12,748.50
6. Step 6: Final answer
   x = 65,071.94