Finding the Third Proportional to 30,606.19 and 63,979.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,606.19 : 63,979.88 = 63,979.88 : x
2. Step 2: Convert to fraction form
   30,606.19/63,979.88 = 63,979.88/x
3. Step 3: Cross multiply
   30,606.19x = 63,979.88 × 63,979.88
4. Step 4: Simplify right side
   30,606.19x = 4,093,424,405.02
5. Step 5: Solve for x
   x = 4,093,424,405.02/30,606.19
6. Step 6: Final answer
   x = 133,745.00