Finding the Third Proportional to 28,580 and 61,282

Step by Step Solution

1. Step 1: Write the proportion equation
   28,580 : 61,282 = 61,282 : x
2. Step 2: Convert to fraction form
   28,580/61,282 = 61,282/x
3. Step 3: Cross multiply
   28,580x = 61,282 × 61,282
4. Step 4: Simplify right side
   28,580x = 3,755,483,524
5. Step 5: Solve for x
   x = 3,755,483,524/28,580
6. Step 6: Final answer
   x = 131,402.50