Finding the Third Proportional to 15,404.63 and 31,539.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,404.63 : 31,539.38 = 31,539.38 : x
2. Step 2: Convert to fraction form
   15,404.63/31,539.38 = 31,539.38/x
3. Step 3: Cross multiply
   15,404.63x = 31,539.38 × 31,539.38
4. Step 4: Simplify right side
   15,404.63x = 994,732,175.39
5. Step 5: Solve for x
   x = 994,732,175.39/15,404.63
6. Step 6: Final answer
   x = 64,573.61