Finding the Third Proportional to 28,424.25 and 58,691.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,424.25 : 58,691.25 = 58,691.25 : x
2. Step 2: Convert to fraction form
   28,424.25/58,691.25 = 58,691.25/x
3. Step 3: Cross multiply
   28,424.25x = 58,691.25 × 58,691.25
4. Step 4: Simplify right side
   28,424.25x = 3,444,662,826.56
5. Step 5: Solve for x
   x = 3,444,662,826.56/28,424.25
6. Step 6: Final answer
   x = 121,187.47