Finding the Third Proportional to 13,706.63 and 28,490.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,706.63 : 28,490.63 = 28,490.63 : x
2. Step 2: Convert to fraction form
   13,706.63/28,490.63 = 28,490.63/x
3. Step 3: Cross multiply
   13,706.63x = 28,490.63 × 28,490.63
4. Step 4: Simplify right side
   13,706.63x = 811,715,712.89
5. Step 5: Solve for x
   x = 811,715,712.89/13,706.63
6. Step 6: Final answer
   x = 59,220.68