Finding the Third Proportional to 30,663.56 and 65,625.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,663.56 : 65,625.19 = 65,625.19 : x
2. Step 2: Convert to fraction form
   30,663.56/65,625.19 = 65,625.19/x
3. Step 3: Cross multiply
   30,663.56x = 65,625.19 × 65,625.19
4. Step 4: Simplify right side
   30,663.56x = 4,306,665,234.41
5. Step 5: Solve for x
   x = 4,306,665,234.41/30,663.56
6. Step 6: Final answer
   x = 140,448.95