Finding the Third Proportional to 28,300.50 and 58,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.50 : 58,921.50 = 58,921.50 : x
2. Step 2: Convert to fraction form
   28,300.50/58,921.50 = 58,921.50/x
3. Step 3: Cross multiply
   28,300.50x = 58,921.50 × 58,921.50
4. Step 4: Simplify right side
   28,300.50x = 3,471,743,162.25
5. Step 5: Solve for x
   x = 3,471,743,162.25/28,300.50
6. Step 6: Final answer
   x = 122,674.27