Finding the Third Proportional to 30,429.94 and 65,719.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,429.94 : 65,719.88 = 65,719.88 : x
2. Step 2: Convert to fraction form
   30,429.94/65,719.88 = 65,719.88/x
3. Step 3: Cross multiply
   30,429.94x = 65,719.88 × 65,719.88
4. Step 4: Simplify right side
   30,429.94x = 4,319,101,970.02
5. Step 5: Solve for x
   x = 4,319,101,970.02/30,429.94
6. Step 6: Final answer
   x = 141,935.95