Finding the Third Proportional to 20,140.31 and 30,970.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,140.31 : 30,970.69 = 30,970.69 : x
2. Step 2: Convert to fraction form
   20,140.31/30,970.69 = 30,970.69/x
3. Step 3: Cross multiply
   20,140.31x = 30,970.69 × 30,970.69
4. Step 4: Simplify right side
   20,140.31x = 959,183,484.22
5. Step 5: Solve for x
   x = 959,183,484.22/20,140.31
6. Step 6: Final answer
   x = 47,625.05