Finding the Third Proportional to 30,895.59 and 66,448.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.59 : 66,448.69 = 66,448.69 : x
2. Step 2: Convert to fraction form
   30,895.59/66,448.69 = 66,448.69/x
3. Step 3: Cross multiply
   30,895.59x = 66,448.69 × 66,448.69
4. Step 4: Simplify right side
   30,895.59x = 4,415,428,070.47
5. Step 5: Solve for x
   x = 4,415,428,070.47/30,895.59
6. Step 6: Final answer
   x = 142,914.49