Finding the Third Proportional to 13,143.16 and 28,830.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,143.16 : 28,830.87 = 28,830.87 : x
2. Step 2: Convert to fraction form
   13,143.16/28,830.87 = 28,830.87/x
3. Step 3: Cross multiply
   13,143.16x = 28,830.87 × 28,830.87
4. Step 4: Simplify right side
   13,143.16x = 831,218,902.78
5. Step 5: Solve for x
   x = 831,218,902.78/13,143.16
6. Step 6: Final answer
   x = 63,243.44