Finding the Third Proportional to 5,812.50 and 12,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812.50 : 12,916.50 = 12,916.50 : x
2. Step 2: Convert to fraction form
   5,812.50/12,916.50 = 12,916.50/x
3. Step 3: Cross multiply
   5,812.50x = 12,916.50 × 12,916.50
4. Step 4: Simplify right side
   5,812.50x = 166,835,972.25
5. Step 5: Solve for x
   x = 166,835,972.25/5,812.50
6. Step 6: Final answer
   x = 28,702.96