Finding the Third Proportional to 28,891.69 and 43,221.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,891.69 : 43,221.94 = 43,221.94 : x
2. Step 2: Convert to fraction form
   28,891.69/43,221.94 = 43,221.94/x
3. Step 3: Cross multiply
   28,891.69x = 43,221.94 × 43,221.94
4. Step 4: Simplify right side
   28,891.69x = 1,868,135,881.25
5. Step 5: Solve for x
   x = 1,868,135,881.25/28,891.69
6. Step 6: Final answer
   x = 64,659.98