Finding the Third Proportional to 28,342 and 58,520

Step by Step Solution

1. Step 1: Write the proportion equation
   28,342 : 58,520 = 58,520 : x
2. Step 2: Convert to fraction form
   28,342/58,520 = 58,520/x
3. Step 3: Cross multiply
   28,342x = 58,520 × 58,520
4. Step 4: Simplify right side
   28,342x = 3,424,590,400
5. Step 5: Solve for x
   x = 3,424,590,400/28,342
6. Step 6: Final answer
   x = 120,830.94