Finding the Third Proportional to 49,567.50 and 79,792.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,567.50 : 79,792.88 = 79,792.88 : x
2. Step 2: Convert to fraction form
   49,567.50/79,792.88 = 79,792.88/x
3. Step 3: Cross multiply
   49,567.50x = 79,792.88 × 79,792.88
4. Step 4: Simplify right side
   49,567.50x = 6,366,902,900.77
5. Step 5: Solve for x
   x = 6,366,902,900.77/49,567.50
6. Step 6: Final answer
   x = 128,449.14