Finding the Third Proportional to 13,640.27 and 29,615.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,640.27 : 29,615.63 = 29,615.63 : x
2. Step 2: Convert to fraction form
   13,640.27/29,615.63 = 29,615.63/x
3. Step 3: Cross multiply
   13,640.27x = 29,615.63 × 29,615.63
4. Step 4: Simplify right side
   13,640.27x = 877,085,244.14
5. Step 5: Solve for x
   x = 877,085,244.14/13,640.27
6. Step 6: Final answer
   x = 64,301.15