Finding the Third Proportional to 30,707.75 and 65,106.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,707.75 : 65,106.13 = 65,106.13 : x
2. Step 2: Convert to fraction form
   30,707.75/65,106.13 = 65,106.13/x
3. Step 3: Cross multiply
   30,707.75x = 65,106.13 × 65,106.13
4. Step 4: Simplify right side
   30,707.75x = 4,238,807,512.52
5. Step 5: Solve for x
   x = 4,238,807,512.52/30,707.75
6. Step 6: Final answer
   x = 138,037.06