Finding the Third Proportional to 28,308 and 61,230

Step by Step Solution

1. Step 1: Write the proportion equation
   28,308 : 61,230 = 61,230 : x
2. Step 2: Convert to fraction form
   28,308/61,230 = 61,230/x
3. Step 3: Cross multiply
   28,308x = 61,230 × 61,230
4. Step 4: Simplify right side
   28,308x = 3,749,112,900
5. Step 5: Solve for x
   x = 3,749,112,900/28,308
6. Step 6: Final answer
   x = 132,440.05