Finding the Third Proportional to 12,989.81 and 28,029.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,989.81 : 28,029.94 = 28,029.94 : x
2. Step 2: Convert to fraction form
   12,989.81/28,029.94 = 28,029.94/x
3. Step 3: Cross multiply
   12,989.81x = 28,029.94 × 28,029.94
4. Step 4: Simplify right side
   12,989.81x = 785,677,396.25
5. Step 5: Solve for x
   x = 785,677,396.25/12,989.81
6. Step 6: Final answer
   x = 60,484.12