Finding the Third Proportional to 28,668.94 and 42,069.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,668.94 : 42,069.38 = 42,069.38 : x
2. Step 2: Convert to fraction form
   28,668.94/42,069.38 = 42,069.38/x
3. Step 3: Cross multiply
   28,668.94x = 42,069.38 × 42,069.38
4. Step 4: Simplify right side
   28,668.94x = 1,769,832,312.89
5. Step 5: Solve for x
   x = 1,769,832,312.89/28,668.94
6. Step 6: Final answer
   x = 61,733.45