Finding the Third Proportional to 13,590.38 and 29,939.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,590.38 : 29,939.63 = 29,939.63 : x
2. Step 2: Convert to fraction form
   13,590.38/29,939.63 = 29,939.63/x
3. Step 3: Cross multiply
   13,590.38x = 29,939.63 × 29,939.63
4. Step 4: Simplify right side
   13,590.38x = 896,381,145.14
5. Step 5: Solve for x
   x = 896,381,145.14/13,590.38
6. Step 6: Final answer
   x = 65,957.06