Finding the Third Proportional to 30,235.50 and 65,719.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,235.50 : 65,719.13 = 65,719.13 : x
2. Step 2: Convert to fraction form
   30,235.50/65,719.13 = 65,719.13/x
3. Step 3: Cross multiply
   30,235.50x = 65,719.13 × 65,719.13
4. Step 4: Simplify right side
   30,235.50x = 4,319,003,390.77
5. Step 5: Solve for x
   x = 4,319,003,390.77/30,235.50
6. Step 6: Final answer
   x = 142,845.44