Finding the Third Proportional to 28,782 and 61,560

Step by Step Solution

1. Step 1: Write the proportion equation
   28,782 : 61,560 = 61,560 : x
2. Step 2: Convert to fraction form
   28,782/61,560 = 61,560/x
3. Step 3: Cross multiply
   28,782x = 61,560 × 61,560
4. Step 4: Simplify right side
   28,782x = 3,789,633,600
5. Step 5: Solve for x
   x = 3,789,633,600/28,782
6. Step 6: Final answer
   x = 131,666.79