Finding the Third Proportional to 30,404.43 and 66,336.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,404.43 : 66,336.15 = 66,336.15 : x
2. Step 2: Convert to fraction form
   30,404.43/66,336.15 = 66,336.15/x
3. Step 3: Cross multiply
   30,404.43x = 66,336.15 × 66,336.15
4. Step 4: Simplify right side
   30,404.43x = 4,400,485,107.77
5. Step 5: Solve for x
   x = 4,400,485,107.77/30,404.43
6. Step 6: Final answer
   x = 144,731.73