Finding the Third Proportional to 19,973.25 and 31,159.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,973.25 : 31,159.69 = 31,159.69 : x
2. Step 2: Convert to fraction form
   19,973.25/31,159.69 = 31,159.69/x
3. Step 3: Cross multiply
   19,973.25x = 31,159.69 × 31,159.69
4. Step 4: Simplify right side
   19,973.25x = 970,926,125.10
5. Step 5: Solve for x
   x = 970,926,125.10/19,973.25
6. Step 6: Final answer
   x = 48,611.32