Finding the Third Proportional to 28,645.03 and 61,678.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,645.03 : 61,678.69 = 61,678.69 : x
2. Step 2: Convert to fraction form
   28,645.03/61,678.69 = 61,678.69/x
3. Step 3: Cross multiply
   28,645.03x = 61,678.69 × 61,678.69
4. Step 4: Simplify right side
   28,645.03x = 3,804,260,491.72
5. Step 5: Solve for x
   x = 3,804,260,491.72/28,645.03
6. Step 6: Final answer
   x = 132,806.99