Finding the Third Proportional to 28,381.50 and 60,840.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,381.50 : 60,840.75 = 60,840.75 : x
2. Step 2: Convert to fraction form
   28,381.50/60,840.75 = 60,840.75/x
3. Step 3: Cross multiply
   28,381.50x = 60,840.75 × 60,840.75
4. Step 4: Simplify right side
   28,381.50x = 3,701,596,860.56
5. Step 5: Solve for x
   x = 3,701,596,860.56/28,381.50
6. Step 6: Final answer
   x = 130,422.88