Finding the Third Proportional to 12,871.13 and 27,916.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,871.13 : 27,916.31 = 27,916.31 : x
2. Step 2: Convert to fraction form
   12,871.13/27,916.31 = 27,916.31/x
3. Step 3: Cross multiply
   12,871.13x = 27,916.31 × 27,916.31
4. Step 4: Simplify right side
   12,871.13x = 779,320,503.60
5. Step 5: Solve for x
   x = 779,320,503.60/12,871.13
6. Step 6: Final answer
   x = 60,547.97